Publications

1. Kusum Sharma, Study of Error of Approximation of Conjugate Fourier Series in Weighted Class by Almost Riesz Means, International Journal of Applied Mathematics, Vol. 33, No 5, pp. 867-877, 2020. (Scopus Index) DOI: 10.12732/ijam.v33i5.9

2. Kusum Sharma, Estimation of Error of Approximation in Lip (xi(t), r) class by Transform, IAENG International Journal of Applied Mathematics, Hong-Kong, Vol. 50, no. 2, pp. 251-255, 2020 (Scopus Index).

3. Kusum Sharma and S.S. malik, Degree of Approximation of a Function Belonging to W (L_r, ξ (t)) (r > 1)-Class by (E, q), (q > 0)-Means of Conjugate Fourier Series, International Journal of Applied Science and Mathematics, India, Vol. 2, No. 4, 2015.

4. H. K. Nigam and Kusum Sharma, On (E,1)(C,1) Summability of Fourier Series and its Conjugate Series, International Journal of Pure and Applied Mathematics, Bulgaria, Volume 82 No. 3, 365-375, 2013. (Scopus Index)

5. Malik S. S. and Sharma Kusum, Methods of Multi-Term Fractional Differential Equation, Ultra Scientist, India, Vol. 24(3)A, 561-566 , 2012. Impact Factor-0.028.

6. H. K. Nigam and Kusum Sharma, On Double Summability of Double Conjugate Fourier Series, International Journal of Mathematics and Mathematical Sciences, USA, Vol. 2012, 15 pages, 2012.

7. H. K. Nigam and Kusum Sharma, Degree of Approximation of a Function Belonging to Lip(x(t ), r) class by (E,1)(C,1) Product Means, International Journal of Pure and Applied Mathematics, Bulgeria, Vol 70, No. 6, 775-784, 2011(Scopus Index)

8. H. K. Nigam and Kusum Sharma, Approximation of Conjugate of a Function Blonging to Lipa Class andW (L_r ,x(t)) Class by Product Means of Conjugate Fourier Series, European Journal of Pure and Applied Mathematics, Europe, Vol. 4, No. 3, 276-286, 2011. Impact Factor: 2.02. (Scopus Index)

9. H. K. Nigam and Kusum Sharma, Degree of Approximation of a Function Belonging to Class by (C, 1)(E, q) Means of Fourier Series, IAENG International Journal of Applied Mathematics, Hong-Kong, Vol. 41, No. 2, 2011. (Scopus Index)

10. H. K. Nigam and Kusum Sharma, Degree of Approximation of a Function Belonging to Lip(x(t ), r) Class by (N, p, q)(E, 1) Product Means of Fourier Series, International Journal of Applied Mathematics, Bulgeria, Vol. 24, No. 4, 479-490, 2011. (Scopus Index)

11. H. K. Nigam and Kusum Sharma, Approximation of Functions Belonging to the Lipschitz Class and Generalized Lipschitz Class by (E, 1)(N , p_n )Product Summability Method, Lobachevskii Journal of Mathematics, Russia, Vol. 32, No. 4, 345-357, 2011.(Scopus Index)

12. H. K. Nigam and Kusum Sharma, A Study on Degree of Approximation by Karamata Summability Method, Journal of Inequalities and Applications, USA, 21 Pages, Vol. 2011: 85, Springer. Impact Factor: 0.789. (Scopus Index)

13. H. K. Nigam and Kusum Sharma, A Study on (N , p_n )(E, q) Product Summabilty, Communication in Applied Analysis, USA, Vol.16, No. 1, 63-72, 2011.

14. H. K. Nigam and Kusum Sharma, A Study on (N , p_n )(E, q) Product Summability of Fourier Series, Ultra Scientist of Physical Sciences, Vol. 22(3)M,927-428, 2010. Impact Factor: 0.28

1. Kusum Sharma, Error of Approximation of a Function by (TC^δ) Means of it Fourier-Laguerre Series, Accepted for publication in ICAES2021, AIP Proceeding, 2022.

2. Kusum Sharma, Diksha Dumka, Survey on the approximation of Fourier-Laguerre series by various summation methods, AIP Proceeding, 2021 (in press).

3. Kusum Sharma and S. S. Malik, A study on Degree of Approximation of a Function belonging to Weighted Class by Product Summability of Fourier Series’ AIP Conference Proceedings 2142, 170010, 2019 https:/doi.org/10.1063/1.5122607 Published Online: 29 August 2019. (Scopus Index)