## Head of Group (Dr. Wutiphol Sintunavarat)

• Name:                      Wutiphol   Sintunavarat
• Date of Birth:            7 January 1985
• Place of Birth:          Bangkok, Thailand
• Nationality:               Thai
• Address:                   Department of Mathematics and Statistics, Faculty of Science and Technology, Thammasat University Rangsit Center,
Pathumthani     12121,  Thailand
• Tel.:                          +66 2564-4440-59 Ext 2100-2103 Press 403
• Fax:                          +66 2564-4489

## Awards

• 1.  Excellent Award for Poster Presentations in Branches of Mathematics, Statistics and Mathematics Education:

From Naresuan University (March 13, 2012)

•

2.  The Distinction Award for Graduation (Ph.D Level) with the Highest Score:

•      From Professor Tab Nilanidhi Foundation (August 31, 2014)

•

3.  Outstanding Researcher Award:

•      From Research Department, Thammasat University (November 26, 2014)

•

4.  Good Thesis 2014 Award (Category: Mathematics and Physical Sciences)

From National Research Council of Thailand (NRCT) (Febuary 2, 2015)

5.  Excellent Award for Poster Presentations in The 15th TRF-OHEC Annual Congress 2016 (TOAC2016)

From Thailand Research Fund (TRF) (January 8, 2016)

## Members of Group

Head of Group:    Dr. Wutiphol Sintunavararat

1.    Oratai Yamaod (Master/Ph.D. degree's student) [oratai_eve@hotmail.com]

2.    Aphinat Ninsri (Master/Ph.D. degree's student) [aphinatninsri@gmail.com]

4.    Pathaithep Kumrod (Master/Ph.D. degree's student) [Phai.pathaithep@hotmail.com]

5.    Kanokwan Sawangsup (Master/Ph.D. degree's student) [june_n120750@hotmail.com]

6.    Teerawat Wongya (Master degree's student) [teerawat_wongyat@hotmail.com]

7.    Shrijana Dhakal (Ph.D. degree's student) [shrijana@gmail.com]

## Grants of Group

• TRF Grant for New Researcher, 2014 – 2015

Development of fixed point analysis in b-metric spaces and its application to various problems in nonlinear analysis

• Government Budget, 2014

Sufficient condition for the existence of solutions for mathematical problems via fixed point theory and applications

• TU Research Scholar , 2014

New properties and methods for solving the existence of solutions for fixed point problems and applications

• TU Research Scholar , 2014

New generalized Ulam – Hyers stability analysis for mathematical model in abstract space

## Conferences

### Conferences (Next)

• International Symposium on Mathematical Methods in Engineering (Special Session on Fixed Point Theory, Ulam stability and related applications)April 27-29, 2017Cankaya University, Ankara, Turkey http://mme2017.cankaya.edu.tr/special-sessions/

• INTERNATIONAL CONFERENCE ON RECENT ADVANCES IN PURE AND APPLIED MATHEMATICS (ICRAPAM 2017), May 11-15, 2017PALM WINGS EPHESUS  RESORT  HOTEL, Kus Adası, Turkey http://2017.icrapam.org/

• 12th International Conference on Fixed Point Theory and Its Applications (ICFPTA 2017)July 24-28, 2017Harbourview Function Centre on the Newcastle foreshore, Newcastle, New South Wale. https://carma.newcastle.edu.au/meetings/icfpta/#

### International Conferences (Past)

1. The 9th International Conference on Fixed Point Theory and Its Applications (ICFPTA 2009), July 16-22, 2009 at Department of Mathematics National Changhua University of Education,
Changhua, Taiwan
2. The 4th International Conference on Fixed point Theory, Variational Inequality and It's Approximation Algorithms, 16-19 July 2010, Chengdu University of Information Technology, Chengdu China.
3. The Second Asian Conference on Nonlinear Analysis and Optimization (NAO-Asia 2010), September 9-12, 2010 Royal Paradise hotel & Spa, Patong Beach, Phuket, Thailand.
4. International Conference on Mathematical Analysis 2010, 7-9 December 2010, Tawana Hotel, Bangkok, THAILAND.
5. The Seventh International Conference on Nonlinear Analysis and Convex Analysis (NACA2011), August 2 - August 5, 2011 at Vistas Building (A21), Pukyong National University, Busan, KOREA.
6. The Franco-Thai Symposium, 1 - 3 of February 2012 at Century Park Hotel, Bangkok Thailand
7. South East Asian Technical University Consortium (SEATUC), 18-19 March 2012, Bangkok Thailand.
8. The International Conference 2012 on Mathematical Inequalities and Nonlinear Functional Analysis with Applications (MINFAA2012),  July 25 - 29,  2012 at Gyeongsang National University, Chinju, Korea.
9. 15th International conference of International Academy of Physical Sciences (CONIAPSXV), December 9-13, 2012 at Rajamangala University of Technology Thanyaburi, Pathumthani, Thailad
10. International Conference Anatolian Communications in Nonlinear Analysis, July 03-06, 2013, Bolu, Turkey.
11. 7th Asian Conference on Fixed Point Theory and Optimization (ACFPTO 2013), 18-20 July 2013, Kasetsart University, Kamphang Saen Campus, Thailand.
12. 5th Minisymposium on Fixed Point Theory and Applications, June 1-7, 2014, Baia Mare and Turist Suior Resort, Romania.
13. 14th International Conference Computational and Mathematical Methods in Science and Engineering, July 3-7, 2014 at Rota, Cadiz - Spain
14. July 28 - 30, 2014 at the Faculty of Science, Naresuan University, Thailand.
15. The 22nd International Conference on Finite or Infinite Dimensional Complex Analysis and Applications (The 22nd ICFIDCAA), 8-11 August 2014 at Dongguk University, Gyeongju, Korea.
16. The ninth international conference on Nonlinear Analysis and Convex Analysis (NACA2015), January 21-25, 2015 at Rimkok Resort Hotel, Chiang Rai, THAILAND
17. The 7th Science Research Conference, March 30-31, 2015, at the Faculty of Science, Naresuan University, Thailand

18. 16th International Conference on Functional Equations and Inequalities, May 17-23, 2015, at Mathematical Research and Conference Center (MRCC) of the Institute of Mathematics of the Polish Academy of Sciences in Będlewo, Poland. http://icfei.up.krakow.pl/16ICFEI/index.php

19. 2nd International Conference on Recent Advances in Pure and Applied Mathematics (ICRAPAM 2015),June 3 – 6, 2015 at Istanbul Commerce University, Sutluce, Istanbul, Turkey http://www.icrapam.org/submit.html

20. The “INTERNATIONAL CONFERENCE ON APPLIED ANALYSIS AND MATHEMATICAL MODELLING (ICAAMM2015)”, June 8-12, 2015 at Yildiz Tecnical, Davutpasa campus in Istanbul, Turkey http://www.ntmsci.com/Conferences/ICAAMM201

21. The 9th Asian Conference on Fixed Point Theory and OptimizationMay 18-20, 2016Bangkok, Thailand http://acfpto2016.kmutt.ac.th/

22.  2nd International Conference on Pure and Applied Sciences, Yildiz Technical University, Turkey , Jun 1-5, 2016 http://icpam-04.naturalspublishing.com/index.asp

23. Numerical Computations: Theory and Algorithms (NUMTA2016) and The 2nd International Conference and Summer School, Premium All Inclusive Club Med Resort “Napitia” (Pizzo Calabro, Tyrrhenian coast, Italy)19 – 25 June 2016 http://si.dimes.unical.it/~yaro/numta2016/index.php

24. The World Congress on Engineering will take place in London, U.K.29 June - 1 July, 2016http://www.iaeng.org/WCE2016/

25. Conference on Ulam's Type Stability, Cluj-Napoca, Romania, July 4-9, 2016 http://cuts.up.krakow.pl/2016/

26.  The fifth Asian conference on Nonlinear Analysis and Optimization (NAO-Asia 2016) will take place at Toki Messe, Niigata, Japan on August 1 - 6, 2016 http://mathweb.sc.niigata-u.ac.jp/~nao2016/index.html

27. ICCOPT 2016, The fifth International Conference on Continuous Optimization, will take place in Tokyo, JapanAugust 6-11, 2016 http://www.iccopt2016.tokyo/

28. Special session on “Metric and Topological Oriented Fixed Point Theorems” at the AMS Sectional MeetingNovember 12-13, 2016, North Carolina State University at Raleigh in Raleigh, Nort Carolina, U.S. http://www.ams.org/meetings/sectional/2241_progfull.html

### National Conferences (Past)

1. 14th Annual Meeting in Mathematics (AMM 2009), Diamond Plaza Hotel , Suratthani. March 5-6, 2009.

2. The 2nd Science Research Conference, Faculty of Science, Naresuan University, March 9-10, 2009.

3. The 3rd Conference on Fixed Point Theory and Applications 2009 , September 4-6, 2009.

4. The 15th Annual Meeting in Mathematics (AMM2010), 15th Annual Meeting in Mathematics (AMM 2010), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok, THAILAND March 11-12, 2010.

5. The 4th Conference on Fixed Piont Theory and Applications (FPTA2010), King Mongkut’s University of Technology Thonburi (KMUTT), Bangkok, THAILAND, July 23-24, 2010.

6. The 16th Annual Meeting in Mathematics (AMM2011), March 10-11, 2011.

7. The 3rd Science Research Conference,  Naresuan University, 14-15 March 2011.

8. The 6th Conference on Science and Technology for Youths: 2011, Bangkok International Trade & Exhibition Centre(BITEC), 18-19 March 2011.

9. The 4th Science Research Conference, Naresuan University, 12-13 March 2012.

10. The 5th Science Research Conference, Phayao University, 4-5 March 2013.

11. 39th Congress on Science and Technology of Thailand (STT 39), October 21-23, 2013, Bangkok International Trade & Exhibition Centre (BITEC), Bangna, Bangkok, Thailand.

12. Annual Meeting in Mathematics (AMM 2014), March 20-22, 2014 at A-one the royal cruise hotel pattaya, Chonburi, Thailand.

13. The 9th Conference on Science and Technology for Youths: 2014, May 30 - June 1, 2014 at Bangkok International Trade& Exhibition Centre (BITEC), Bangna, Bangkok, Thailand.

## Invited Talk

### Advances in Metric Fixed Point Theory

Date: February 19 – 20, 2014

• Project:           Advances in Metric Fixed Point Theory.
• Place :             King Mongkut's University of Technology Thonburi (KMUTT),  Bangmod,

Bangkok 10140, Thailand.

• Topic 1 :          Multivalued fractal operator theory in b-metric spaces.
• Topic 2 :          Mixed equilibrium problems and variational-like inequalities problems approach by

the KKM technique and Kakutani-Fan-Glicksberg fixed point theorem

### Minisymposium on Mathematical Programing and Optimization

Date: July 24 – 25, 2014

• Place : King Mongkut's University of Technology Thonburi (KMUTT), Bangmod, Bangkok 10140, Thailand.

• Topic : On fixed point theory in generalized metric spaces.

## Activities of Group

### Special topic in functional analysis

Date: February 25, 2014

• Project: Special topic in functional analysis
• Place : Thammasat University, Thailand.
• Prof. Andrzej Wisnicki from Institute of Mathematics, Maria Curie-Skłodowska University, Poland
(Hyper extensions in metric fixed point theory)
• Prof. Poom Kumam from King Mongkut’s University of Technology Thonburi, Thailand

### Nonlinear analysis problems with multi-dimensional fixed points

Date: December 26, 2014

• Project:Nonlinear analysis problems with multi-dimensional fixed points
• Place :Thammasat University, Thailand.

1. Prof. Juan Martínez-Moreno  จาก Department of Mathematics, University of Jan, Spain

(Methods for solving nonlinear problems by using multi-dimensional fixed points)

2. Prof. Poom Kumam from King Mongkut’s University of Technology Thonburi, Thailand

(การเสริมสร้างและพัฒนาแนวทางการทำวิจัยด้านการวิเคราะห์ในปริภูมิอิงระยะทาง)

Time Table

 เวลา กิจกรรม 9.00 – 9.30 น. พิธีเปิดและกล่าวต้อนรับโดย รองศาสตราจารย์ สำราญ มั่นทัพ (หัวหน้าภาควิชาคณิตศาสตร์และสถิติ) 9.30 – 12.30 น. Professor Juan Martínez-Moreno จากDepartment of Mathematics, University of Jan, Spain เป็นวิทยากรบรรยายในหัวข้อ “Methods for solving nonlinear problems by using multi-dimensional fixed points” 12.30 – 13.30 น. พักรับประทานอาหาร 13.30 – 15.30 น. รองศาสตราจารย์ ดร. ภูมิ คำเอม เป็นวิทยากรบรรยายในหัวข้อ“การเสริมสร้างและพัฒนาแนวทางการทำวิจัยด้านการวิเคราะห์ในปริภูมิอิงระยะทาง” 15.30 – 17.00 น. สัมมนาแลกเปลี่ยนแนวคิดเกี่ยวกับ“แนวทางการทำวิจัยด้านNonlinear Analysis” โดย Professor Juan Martínez-Moreno, รศ.ดร. ภูมิ คำเอม และ ดร. วุฒิพล สินธุนาวารัตน์ หมายเหตุ 1. รับประทานอาหารว่างระหว่างการบรรยาย 2. กำหนดการอาจปรับเปลี่ยนได้ตามความเหมาะสม

## International Publications

1. W. Sintunavarat, P. Kumam, Coincidence and common fixed points for hybrid strict contractions without weakly commuting condition, Appl. Math. Lett. 22 (2009) 1877–1881. (2010 Impact factor 1.155) http://dx.doi.org/10.1016/j.aml.2009.07.015

2. W. Sintunavarat, P. Kumam, P.  Patthanangkoor, Common random fixed points for multivalued random operators without S and T-weakly commuting random operators, Random Operators and Stochastic Equations, Volume 17, Issue 4 (2009),  Pages 381–388. (Science Citation Index : SCI, Zentralblatt MATH data base) http://www.degruyter.com/view/j/rose.2009.17.issue-4/rose.2009.022/rose.2009.022.xml

3. W. Sintunavarat, P. Kumam, Weak condition for generalized multi-valued $(f,\alpha, \beta)$-weak contraction mappings, Appl. Math. Lett. 24 (2011) 460-465. (2011 Impact factor 1.371) http://dx.doi.org/10.1016/j.aml.2010.10.042

4. W. Sintunavarat, P. Kumam, Coincidence and common fixed points for generalized contraction multi-valued mappings, Journal of Computational Analysis and Applications, VOL. 13, NO.2, 362-367, 2011. (2011 Impact factor: 0.417)

5. W. Sintunavarat, P. Kumam, Gregus-type common fixed point theorems for tangential multivalued mappings of integral type in metric space, International Journal of Mathematics and Mathematical Sciences, Volume 2011, Article ID 923458, 12 pages. (Scopus database, Science Citation Index : SCI) http://www.hindawi.com/journals/ijmms/2011/923458/

6. W. Sintunavarat, P. Kumam, Gregus type fixed points for a tangential multi-valued mappings satisfying contractive conditions of integral type, Journal of Inequalities and Applications 2011 2011:3. (2011 Impact factor 0.726) http://www.journalofinequalitiesandapplications.com/content/2011/1/3

7. W. Sintunavarat, Y. J. Cho, P. Kumam, Common fixed point theorems for $c$-distance in ordered cone metric spaces, Computers and Mathematics with Applications 62 (2011) 1969-1978. (2011 Impact factor 1.747) http://www.sciencedirect.com/science/article/pii/S0898122111005207

8. W. Sintunavarat, P. Kumam, Common fixed point theorems for a pair of weakly compatible mappings in fuzzy metric spaces, Journal of Applied Mathematics, vol. 2011, Article ID 637958, 14 pages, 2011. (2011 Impact factor 0.656) http://www.hindawi.com/journals/jam/2011/637958/cta/

9. W. Sintunavarat, P. Kumam, Common fixed point theorems for generalized $\mathcal{JH}$-operator classes and invariant approximations, Journal of Inequalities and Applications 2011, 2011:67. (2011 Impact factor 0.726) http://www.journalofinequalitiesandapplications.com/content/2011/1/67

10. W. Sintunavarat, Y. J. Cho, P. Kumam, Coupled Coincidence Point Theorems for Contractions without commutative condition in intuitionistic fuzzy normed spaces, Fixed Point Theory and Applications 2011, 2011:81. (2011 Impact factor 1.634) http://www.fixedpointtheoryandapplications.com/content/2011/1/81/abstract

11. C. Mongkolkeha, W. Sintunavarat, P. Kumam, Fixed point theorems for contraction mappings in modular metric spaces, Fixed Point Theory and Applications 2011, 2011:93. (2011 Impact factor 1.634) http://www.fixedpointtheoryandapplications.com/content/2011/1/93/abstract

12. W. Sintunavarat, P. Kumam, Common fixed points of $f$-weak contractions in cone metric spaces, Bulletin of the Iranian Mathematical Society, Volume 38, Number 2, Page 293-303 (11), July 2012. (2012 Impact factor 0.223) http://bims.iranjournals.ir/?_action=articleInfo&article=218

13. W. Sintunavarat, P. Kumam, Common fixed point theorems for hybrid generalized multi-valued contraction mappings, Appl. Math. Lett. 25 (2012) 52-57. (2012 Impact factor 1.501) http://www.sciencedirect.com/science/article/pii/S0893965911003363

14. W. Sintunavarat, P. Kumam, Fixed point theorems for a generalized intuitionistic fuzzy contraction in intuitionnistic fuzzy metric spaces, Thai journal of Mathematics 10(1) (2012) 123-135. (Scopus database, Science Citation Index : SCI) http://math.science.cmu.ac.th/thaijournal/Vol10_No1%202012/article_11_V10N1.pdf

15. P. Chaipunya, C. Mongkolkeha, W. Sintunavarat, P. Kumam, Fixed point theorems for multivalued mappings in modular metric spaces, Abstract and Applied Analysis vol. 2012, Article ID 503504, 15 pages, 2012. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/aip/503504/

16. W. Sintunavarat, P. Kumam, Common fixed point theorem for cyclic generalized multi-valued contraction mappings, Appl. Math. Lett. 25 (2012) 1849-1855. (2012 Impact factor 1.501) http://www.sciencedirect.com/science/article/pii/S0893965912001164

17. M. Abbas, W. Sintunavarat, P. Kumam, Coupled fixed point of generalized contractive mappings on partially ordered $G$-metric spaces, Fixed Point Theory and Applications 2012, 2012:31 (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/31/about

18. W. Sintunavarat, P. Kumam, Common fixed points for $R$-weakly commuting in fuzzy metric spaces, Annali dell'Universita di Ferrara, 58 (2012) 389-406. (Scopus database, Science Citation Index : SCI) http://www.springerlink.com/openurl.asp?genre=article&id=doi:10.1007/s11565-012-0150-z

19. W. Sintunavarat, Y. J. Cho, P. Kumam, Coupled fixed point theorems for weak contraction mapping under $F$-invariant set, Abstract and Applied Analysis, Volume 2012, Article ID 324874, 15 pages, 2012. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/aip/324874/

20. A. Kaewkhao, W. Sintunavarat, P. Kumam, Common fixed point theorems of $c$ distance on cone metric spaces, Journal of Nonlinear Analysis and Application, Volume 2012, Year 2012 Article ID jnaa-00137, 11 Pages. (Zentralblatt MATH database) http://ispacs.com/journals/jnaa/2012/jnaa-00137/

21. W. Sintunavarat, P. Kumam, Generalized common fixed point theorems in complex valued metric spaces and application, Journal of Inequalities and Applications 2012, 2012:84. (2010 Impact factor 0.82) http://www.journalofinequalitiesandapplications.com/content/2012/1/84/abstract

22. W. Sintunavarat, P. Kumam, Coupled best proximity point theorem in metric spaces, Fixed Point Theory and Applications 2012, 2012:93. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/93/abstract

23. W. Sintunavarat, P. Kumam, Coupled coincidence and coupled common fixed point theorems in partially ordered metric spaces, Thai journal of Mathematics 10(3) (2012) 551-563. (Scopus database, Science Citation Index : SCI) http://thaijmath.in.cmu.ac.th/index.php/thaijmath/article/view/510/400

24. H. Aydi, C. Vetro, W. Sintunavarat, P. Kumam, Coincidence and fixed points for contractions and cyclical contractions in partial metric spaces, Fixed Point Theory and Applications 2012, 2012:124. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/124/abstract

25. P. Chaipunya, Y. J. Cho, W. Sintunavarat, P. Kumam, Fixed points and common fixed points for cyclic quasi-contractions in metric and ultrametric spaces, Advances in Pure Mathematics 2(6) (2012) 401-407. (Zentralblatt MATH database) http://www.scirp.org/journal/PaperInformation.aspx?paperID=24374

26. S. Chauhan, W. Sintunavarat and P. Kumam, Common fixed point theorems for weakly compatible mappings in fuzzy metric spaces using (JCLR) property, Applied Mathematics 3(9) (2012) 976-982. (Zentralblatt MATH database) http://www.scirp.org/journal/PaperInformation.aspx?paperID=22996

27. W. Sintunavarat, Y. J. Cho, P. Kumam, Coupled fixed-point theorems for contraction mapping induced by cone ball-metric in partially ordered spaces, Fixed Point Theory and Applications 2012, 2012:128. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/128/abstract

28. H. Aydi, M. Abbas, W. Sintunavarat, P. Kumam, Tripled fixed point of $W$-compatible mappings in abstract metric spaces, Fixed Point Theory and Applications 2012, 2012:134. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/134

29. W. Sintunavarat, A. Petrusel, P. Kumam, Common coupled common fixed point theorems for $w^*$-compatible mappings without mixed monotone property, Rendiconti del Circolo Matematico di Palermo 61 (2012) 361-383. (Scopus database, Science Citation Index : SCI) http://www.springerlink.com/content/1wp1tg7058803v61/

30. W. Sintunavarat, P. Kumam, Y. J. Cho, Coupled fixed point theorems for nonlinear contractions without mixed monotone property, Fixed Point Theory and Applications 2012, 2012:170. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/170/abstract

31. Abbas, B. Ali, W. Sintunavarat, P. Kumam, Tripled fixed point and tripled coincidence point theorems in intuitionistic fuzzy normed spaces, Fixed Point Theory and Applications 2012, 2012:187. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/187/abstract

32. E. Karapinar, P. Kumam, W. Sintunavarat, Coupled fixed point theorems in cone metric spaces with a $c$-distance and applications, Fixed Point Theory and Applications 2012, 2012:194. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/194/abstract

33. W. Sintunavarat, J. K. Kim, P. Kumam, Fixed point theorems for a generalized almost $(\phi,\varphi)$-contraction with respect to $S$ in ordered metric spaces, Journal of Inequalities and Applications 2012, 2012:263. (2012 Impact factor 0.82) http://www.journalofinequalitiesandapplications.com/content/2012/1/263/abstract

34. H. K. Nashine, W. Sintunavarat, P. Kumam, Cyclic generalized contractions and fixed point results with applications to integral equation, Fixed Point Theory and Applications 2012, 2012:217. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/217/abstract

35. P. Chaipunya, W. Sintunavarat, P. Kumam, On $\mathcal{P}$-contractions in ordered metric spaces, Fixed Point Theory and Applications 2012, 2012:219. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2012/1/219/abstract

36. W. Sintunavarat, S. Chauhan, P. Kumam, Some fixed point results in modified intuitionistic fuzzy metric space, Afrika Matematika, 2012. (Scopus database, Science Citation Index : SCI) http://link.springer.com/article/10.1007%2Fs13370-012-0128-0

37. W. Sintunavarat, S. Radenovic, Z. Golubovic, P. Kumam, Coupled fixed point theorems for $F$-invariant set, Appl. Math. Inf. Sci. 7(1) (2013) 247-255. (2012 Impact factor 0.731) http://naturalspublishing.com/ArtcIss.asp?ArtcID=659

38. R. P Agarwal, W. Sintunavarat, P. Kumam, Coupled coincidence point and common coupled fixed point theorems lacking the mixed monotone property, Fixed Point Theory and Applications 2013, 2013:22. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/22/abstract

39. W. Sintunavarat, Y. J. Cho, P. Kumam, Urysohn integral equations approach by common fixed points in complex-valued metric spaces, Advances in Difference Equations 2013, 2013:49. (2012 Impact factor 0.76) http://www.advancesindifferenceequations.com/content/2013/1/49/abstract

40. W. Sintunavarat, P. Kumam, Coupled fixed point results for nonlinear integral equations, Journal of the Egyptian Mathematical Society (2013) 266--272. (Scopus database) http://www.sciencedirect.com/science/article/pii/S1110256X13000369

41. S. Chandok, W. Sintunavarat, P. Kumam, Some coupled common fixed points for a pair of mappings in partially ordered $G$-metric spaces, Mathematical Sciences 2013, 7:24. http://www.iaumath.com/content/7/1/24/abstract

42. W. Sintunavarat, P. Kumam, PPF dependent fixed point theorems for rational type contraction mappings in Banach spaces, Journal of Nonlinear Analysis and Optimization: Theory \& Applications 4 (2) (2013) 157--162. (Zentralblatt MATH database) http://www.math.sci.nu.ac.th/ojs234/index.php/jnao/article/view/257/212

43. S. Chauhan, M. A. Khan, W. Sintunavarat, Fixed points of converse commuting mappings using an implicit relation, Honam Mathematical Journal 35 (2) (2013), 109-117. http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=HNSHCY_2013_v35n2_109

44. S. Chauhan, M. Alamgir Khan, W. Sintunavarat, Common fixed point theorems in fuzzy metric spaces satisfying $\phi$-contractive condition with common limit range property,Abstr. Appl. Anal. Volume 2013 (2013), Article ID 735217, 14 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2013/735217/

45. W. Sintunavarat, P. Kumam, The existence theorems of an optimal approximate solution for generalized proximal contraction mappings, Abstr. Appl. Anal. Volume 2013 (2013), Article ID 375604, 8 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2013/375604/

46. W. Sintunavarat, Mixed equilibrium problems with weakly relaxed $\alpha$-monotonebi-function in Banach spaces, Journal of Function Spaces and Applications, Volume 2013, Article ID 374268, 5 pages. (2012 Impact factor 0.500) http://www.hindawi.com/journals/jfsa/2013/374268/

47. W. Sintunavarat, P. Kumam, Some fixed point results for weakly isotone mappings in ordered Banach spaces, Applied Mathematics and Computation 224 (2013) 826-845. (2012 Impact factor 1.349) http://www.sciencedirect.com/science/article/pii/S0096300313009740

48. R. P. Agarwal, W. Sintunavarat, P. Kumam, PPF dependent fixed point theorems for an $\alpha_c$-admissible non-self mapping in the Razumikhin class, Fixed Point Theory and Applications 2013, 2013:280. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/280

49. M. A. Kutbi, W. Sintunavarat, The existence of fixed point theorems via $w$-distance and $\alpha$-admissible mappings and applications, Abstr. Appl. Anal., Volume 2013, Article ID 165434, 8 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2013/165434/

50. P. Kumam, H. Aydi, E. Karapinar, W. Sintunavarat, Best proximity points and extension of Mizoguchi-Takahashi's fixed point theorems, Fixed Point Theory and Applications 2013, 2013:242. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/242

51. W. Sintunavarat, S. Plubtieng, P. Katchang, Fixed point result and applications on $b$-metric space endowed with an arbitrary binary relation, Fixed Point Theory and Applications 2013, 2013:296. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/296

52. M. A. Kutbi, W. Sintunavarat, On the solution existence of variational-like inequalities problems for weakly relaxed $\eta-\alpha$ monotone mapping, Abstr. Appl. Anal. Volume 2013, Article ID 207845, 8 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2013/207845/

53. M. A. Kutbi, A. Roldan, W. Sintunavarat, J. Martinez-Moreno, C. Roldan, $F$-closed sets and coupled fixed point theorems without the mixed monotone property, Fixed Point Theory and Applications Fixed Point Theory and Applications 2013, 2013:330. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/330

54. E. Karapinar, W. Sintunavarat, The existence of an optimal approximate solution theorems for generalized $\alpha$--proximal contraction non-self mappings and applications, Fixed Point Theory and Applications 2013, 2013:323. (2012 Impact factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2013/1/323

55. M. Usman Ali, T. Kamran, W. Sintunavarat, P. Katchang, Mizoguchi-Takahashi's fixed point theorem with $\alpha,\eta$ functions, Abstr. Appl. Anal. Volume 2013 (2013), Article ID 418798, 4 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2013/418798/

56. Y.J. Cho, A. Gupta, E. Karapinar, P. Kumam, W. Sintunavarat, Tripled proximity point theorem in metric spaces, Mathematical Inequalities \& Applications, Volume 16, Number 4 (2013), 1197-1216. (2012 Impact factor 0.588) http://mia.ele-math.com/16-93/Tripled-best-proximity-point-theorem-in-metric-spaces

57. W. Sintunavarat, Generalized Ulam-Hyers stability, well-posedness and limit shadowing of fixed point problems for $\alpha$-$\beta$-contraction mapping in metric spaces,The Scientific World Journal, Volume 2014, Article ID 569174, 7 pages. (2012 Impact factor 1.73) http://www.hindawi.com/journals/tswj/2014/569174/

58. S. Chauhan, S. Dalal, W. Sintunavarat, J. Vujakovi\'{c}, Common Property (E.A) and Existence of Fixed Points in Menger Spaces, Journal of Inequalities and Applications 2014, 2014:56. (2012 Impact factor 0.82) http://www.journalofinequalitiesandapplications.com/content/2014/1/56

59. M. A. Kutbi, W. Sintunavarat, On sufficient conditions for the existence of Past-Present-Future dependent fixed point in the Razumikhin class, Abstr. Appl. Anal., Volume 2014, Article ID 342687, 9 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2014/342687/

60. A. Latif, M. E. Gordji, E. Karapinar, W. Sintunavarat, Fixed point results for generalized $(\alpha-\psi)$-Meir Keeler contractive mappings and applications, Journal of Inequalities and Applications, 2014, 2014:68. (2012 Impact factor 0.82) http://www.journalofinequalitiesandapplications.com/content/2014/1/68

61. Sh. Fathollahi, P. Salimi, W. Sintunavarat, P. Vetro, On fixed points of $\alpha$-$\eta$-$\psi$-contractive multifunctions, Wulfenia 21 (2) (2014) 353--365. (2012 Impact factor 0.267) http://www.multidisciplinarywulfenia.org/archive/index.php/?volume=21&issue=2

62. N. Wairojjana, W. Sintunavarat, P. Kumam, Common tripled fixed point theorems for $W$-compatible mappings along with $CLR_g$ property in abstract metric spaces, Journal of Inequalities and Applications (2012 Impact  factor 0.82) http://www.journalofinequalitiesandapplications.com/content/2014/1/133


63. M. A. Kutbi, M. Imdad, S. Chauhan, W. Sintunavarat,  Some integral type fixed point theorems for non-self mappings satisfying generalized $(\psi,\varphi)$-weak contractive conditions in symmetric spaces, Abstr. Appl. Anal., Volume 2014, Article ID 519038, 11 pages. (2012 Impact factor 1.102) http://www.hindawi.com/journals/aaa/2014/519038/

64. E. Karapinar, A. Rold\'{a}n, N. Shahzad, W. Sintunavarat, Discussion of coupled and tripled coincidence point theorems for $\varphi$-contractive mappings without the mixed $g$-monotone property, Fixed Point Theory and Applications 2014, 2014:92. (2012 Impact  factor 1.87)
65. A. Latif, C. Mongkolkeha, W. Sintunavarat, Fixed point theorems for  generalized $\alpha-\beta-$weakly contraction  mappings in  metric spaces and applications, The Scientific World,  Volume 2014 (2014), Article ID 784207, 14 pages. (2012 Impact  factor 1.73) http://www.hindawi.com/journals/tswj/2014/784207/

66. W. Sintunavarat, D. M. Lee, Y. J. Cho, Mizoguchi--Takahashi's type common fixed point theorems without $T$-weakly commuting condition and  invariant approximations, Fixed Point Theory and Applications 2014, 2014:112. (2012 Impact  factor 1.87) http://www.fixedpointtheoryandapplications.com/content/2014/1/112

67. M. A. Kutbi, S. Chandok, W. Sintunavarat,  Optimal solutions for nonlinear  proximal $C_N$-contraction mapping in metric space, Journal of Inequalities and Applications 2014,  2014:193. (2012 Impact  factor 0.82)
68. S. Phiangsungnoen, W. Sintunavarat, P. Kumam, Fuzzy fixed point theorems in Hausdorff fuzzy metric spaces, Journal of Inequalities and Applications 2014,  2014:201. (2012 Impact  factor 0.82)http://www.journalofinequalitiesandapplications.com/content/2014/1/201/abstract

69. S. Chauhan, M. Imdad, C. Vetro,  W. Sintunavarat,  Hybrid coincidence and common fixed point theorems in Menger probabilistic metric spaces under a strict contractive condition with an application, Applied Mathematics and Computation  239 (2014) 422--433. (2012 Impact factor 1.349) http://www.sciencedirect.com/science/article/pii/S0096300314006195

70. M. A. Kutbi, W. Sintunavarat, Ulam-Hyers stability and well-posedness of fixed point problems for $\alpha$-$\lambda$-contraction mapping in metric spaces, Abstr. Appl. Anal., Volume 2014 (2014), Article ID 268230, 6 pages. (2012 Impact factor 1.102)  http://www.hindawi.com/journals/aaa/2014/268230/

71.  M. A. Kutbi, W. Sintunavarat,  Fixed point theorems for generalized $w_\alpha$-contraction multivalued mappings in $\alpha$-complete metric spaces, Fixed Point Theory and Applications 2014,  2014:139. (2013 Impact  factor 2.49)http://www.fixedpointtheoryandapplications.com/content/2014/1/139

72.  M. A. Kutbi, W. Sintunavarat,  Fixed point analysis for multi-valued operators with graph approach by the generalized Hausdorff distance, Fixed Point Theory and Applications  2014,  2014:142. (2013 Impact  factor 2.49 http://www.fixedpointtheoryandapplications.com/content/2014/1/142

73.  S. Phiangsungnoen, W. Sintunavarat, P. Kumam, Generalized Ulam-Hyer stability for fixed point equation in $b$-metric space via $\alpha$-admissible, Fixed Point Theory and Applications 2014, 2014:188. (2013 Impact  factor 2.49)http://www.fixedpointtheoryandapplications.com/content/2014/1/188

74. S. Phiangsungnoen, W. Sintunavarat, P. Kumam, Fuzzy fixed point theorems for fuzzy mappings via $\beta$-admissible with applications, Journal of Uncertainty Analysis and Applications 2014, 2:20. http://www.juaa-journal.com/content/2/1/20

75. A. Latif, C. Mongkolkeha, W. Sintunavarat,  Some geometric  properties  of   generalized modular  sequence space  derived by the generalized de la  Vall\'{e}e-Poussin mean, Journal of Inequalities and Applications 2014, \textbf{2014}:375 (2013 Impact  factor 0.786) http://www.journalofinequalitiesandapplications.com/content/2014/1/375

76. S. Phiangsungnoen, W. Sintunavarat, P. Kumam, Common $\alpha$-fuzzy fixed point theorems for fuzzy mappings via $\beta_\mathcal{F}$-admissible pair,  Journal of Intelligent and Fuzzy Systems 27 (5) (2014) 2463–2472 (2013 Impact  factor 0.936 http://iospress.metapress.com/content/c3v1mj1140237680/

77. P. Kumam, W. Sintunavarat, The existence of fixed point theorems for partial $q$-set-valued quasi-contractions in b-metric spaces and related results, Fixed Point Theory and Applications 2014,  2014:226. (2013 Impact  factor 2.49)
78. P. Kumam, W. Sintunavarat, The existence and convergence of best proximity points for generalized proximal contraction mappings, Fixed Point Theory and Applications 2014, 2014:228. (2013 Impact factor 2.49)
79. A. Latif, A. Roldan, W. Sintunavarat, On common $\alpha$-fuzzy fixed points with applications, Fixed Point Theory and Applications 2014, 2014:234. (2013 Impact factor 2.49) http://www.fixedpointtheoryandapplications.com/content/2014/1/234

80. O. Yamaod, W. Sintunavarat, Some fixed point results for generalized contraction mappings with cyclic $(\alpha,\beta)$-admissible mapping in multiplicative metric spaces, Journal of Inequalities and Applications 2014, 2014:488. (2013 Impact factor 0.786) http://www.journalofinequalitiesandapplications.com/content/2014/1/488

81. M. A. Kutbi, W. Sintunavarat, On new fixed point results for $(\alpha,\psi,\xi)$-contractive multi-valued mappings on $\alpha$-complete metric spaces and their consequences, Fixed Point Theory and Applications  2015, 2015:2. (2013 Impact  factor 2.49)http://www.fixedpointtheoryandapplications.com/content/2015/1/2

82.  A. Latif, A. Ninsri, W. Sintunavarat,   Approximate fixed point theorems for partial generalized convex contraction mappings in $\alpha$-complete metric spaces, Taiwanese Journal of Mathematics 19 (1) (2015) 315--333. (2013 Impact factor 0.658)  http://journal.taiwanmathsoc.org.tw/index.php/TJM/article/view/4746/1794

83. Z. Kadelburg, P. Kumam, S. Radenovic, W. Sintunavarat, Common coupled fixed point theorems for Geraghty-type contraction mappings using monotone property, Fixed Point Theory and Applications 2015, 2015:27. (2013 Impact  factor 2.49)
84. M. A. Kutbi, D. Gopal,  C. Vetro, W. Sintunavarat, Further generalization of fixed point theorems in Menger PM-spaces, Fixed Point Theory and Applications  2015, 2015:32. (2014 Impact factor 2.503)
85. P. Kumam, W. Sintunavarat, S. Sedghi, N. Shobkolaei, Common fixed point of two $R$-weakly commuting mappings in $b$-metric spaces, Journal of Function Spaces and Applications, Volume 2015 (2015), Article ID 350840, 5 pages. (2014 Impact factor 0.587) http://www.hindawi.com/journals/jfs/aa/350840/

86. W. Sintunavarat, S. Manro, P. Kumam, Common fixed point theorems in intuitionistic fuzzy metric spaces using concept of occasionally weakly compatible self mappings, Chiang Mai Journal of Science 42 (2) (2015) 512--522. (2014 Impact factor 0.371)
87. S. Chauhan, M. Imdad, W. Sintunavarat, Y. H. Shen, Unified fixed point theorems for mappings in fuzzy metric spaces via implicit relations, Journal of the Egyptian Mathematical Society 23 (2) (2015) 334--342. (Scopus) http://www.sciencedirect.com/science/article/pii/S1110256X14000650

88. W. Sintunavarat, A new approach to $\alpha$-$\psi$-contractive mappings and generalized Ulam-Hyers stability, well-posedness and limit shadowing results, Carpathian Journal of Mathematics 31 (3) (2015) 395--401. (2014 Impact factor 0.792)

89. C. Mongkolkeha, W. Sintunavarat, Best proximity points for multiplicative proximal  contraction  mapping on multiplicative metric spaces, J. Nonlinear Sci. Appl. 8 (6) (2015) 1134--1140. (2014 Impact factor 0.886)  http://www.tjnsa.com/includes/files/articles/Vol8_Iss6_1134--1140_Best_Proximity_Points_for_Multiplic.pdf

90. A. Pansuwan, W. Sintunavarat, V. Parvaneh,  Y. J. Cho, Some fixed point theorems for $(\alpha,\theta,k)$-contraction multi-valued mappings with some applications, Fixed Point Theory and Applications  2015, 2015:132. (2014 Impact factor 2.503)  http://www.fixedpointtheoryandapplications.com/content/2015/1/132

91. H. K. Nashine, W. Sintunavarat, P. Kumam, Z. Kadelburg, Fixed point theorems in orbitally 0-complete partial metric spaces via rational contractive conditions, Afrika Matematika 26 (2015) 1121--1136. (Scopus) http://link.springer.com/article/10.1007/s13370-014-0269-4#