Talks 

• 2026

1. July 18-22, Invited Speaker, ICM 2026 Satellite Conference: Philadelphia Harmonic Analysis and Differential Equations (PHADE 2026), University of Pennsylvania, Philadelphia, PA, July 2026.

2. May 18-22, The International Conference on Computational Harmonic Analysis (ICCHA 2026), main speaker, Vanderbilt University in Nashville, TN.

3. January 6, “Recent Advances in Harmonic Analysis with applications to Discrete Analysis and Geometric Measure Theory” , JMM 

• 2025 

  1. October 18-19, Special session on "Harmonic analysis, frame theory, and tilings" at the AMS sectional meeting at Saint Louis University. 

  2. October 18-19, Special session on "Harmonic Analysis, Geometric Measure Theory and Fractals" at the AMS sectional meeting at Saint Louis University. 

  3. September 15-19, International Conference on tiling and Fourier bases, Xi'an, China 

  4. September 8-10, Women in Harmonic Analysis, Paderborn University, Germany 

  5. July 28 - August 1, SampTA25 (Sampling Theory and Applications),  University of Vienna, Austria 

  6. June 2-6, Fourier Analysis and Discrete Problems, Thessaloniki, Greece (could not go)

  7. May 19-22, Shank Conference 2025, Vanderbilt University, Nashville, TN

  8. May 2-6, Quantum Harmonic Analysis Workshop, Erwin Schrödinger International Institute for Mathematics and Physics, Vienna 

  9. April 9, Analysis Seminar, Fordham University, New York City

  10. March 22-23, New Classes of Spectral Duality, Inverse Problems, Operators, Analysis, and Algorithms Workshop, (online)

      • Quantitative eigenvalue bounds and spectral duality in spatio-spectral limiting operators

  11. Jan 8-11, Joint Mathematics Meetings 2025, Seattle 

• 2024 (125)

1. Dec. 9-13, Topical Workshop "Harmonic Analysis and Convexity", ICERM, Brown University.

2. TBD, Colloquium, University of Rochester 

3. November 22, AWM-Women in Mathematics Talk, the Graduate Center

4. October 19-20, AMS Fall Eastern Sectional Meeting, Albany, SS on "Recent Advances in Harmonic Analysis"

5. October 19-20, AMS Fall Eastern Sectional Meeting, Albany, Special Session on "Harmonic Analysis, Theory of Function Spaces and Their Applications"

6. July 11, Analysis Seminar, The University of Edinburgh, Scotland, UK

7. July 9, Analysis Seminar, University of Birmingham, England, UK

8. July 15- July19, Multivariate approximation, discretization, and sampling recovery, Newton Instittue, Cambridge University, UK

9. July 1- July 26 (research visit) Isaac Newton Institute for Mathematical Sciences, University of Cambridge, Discretization and recovery in high-dimensional spaces, Cambridge, England, UK. 

10. June 9- June14, On the Interface of Geometric Measure Theory and Harmonic Analysis, Banff, Canada

11. June 3- June 7, Recent Progress on Optimal Point Distributions and Related Fields -- topical Workshop, ICERM (Institute for Computational and Experimental Research in Mathematics), RI

12. May 13- May17, Conference "Madison Lectures in Harmonic Analysis", University of Wisconsin-Madison 

13. May 6, Analysis Seminar, Brown University 

14. May 1- 2, plenary lecture at 11th Seminar on Harmonic Analysis and its Applications, Sanandaj, Kordestan University, Iran (online)

15. April 15, Faraway Fourier Talks (FFT) Seminars on Harmonic Analysis and Applications, Norbert Wiener Center, University of Maryland, College Park

16. April 2- April 5, Spring School on Modern Aspects of Analysis on Lie Groups, (poster), Georg-August Universität, Göttingen, Germany (presenting four one-hour lectures.)

17. March 23- March 24, special session on Geometric Measure Theory and Partial Differential Equations, the AMS Sectional Meeting at Florida State University in Tallahassee, FL.

18. March 1- March 3, workshop on Dynamical Sampling, Frame Theory, Harmonic Analysis, and Applications, Vanderbilt University, Nashville 

19. January 29- Feburay 2, Fourier Analysis and its applications -- Workshop, Erdős Center, Budapest, Hungary

• 2023 (106)

1. December 8-10, Workshop in Analysis, Georgia Institute of Technology, Atlanta, GA

2. November 10, Colloquium, Courant Institute, NYU

3. September 22- 24, Savannah, GA, International Conference on Approximation and Potential Theory, Georgia Southern University

4. May 31- June 4,  Wilmington, NC, The AIMS Conference Series on Dynamical Systems and Differential Equations conference, Session: Harmonic Analysis and PDEs.

5. May 15-18, Nashville, Tennessee, International Conference in Approximation Theory and Beyond, Vanderbilt University.

6. April 27, Florida International University, Department of Mathematics and Statistics, Colloquium

7. March 28, University at Albany, SUNY, Analysis and Data Science Seminars.

8. January 4-7, Joint Mathematics Meetings, AMS Special Session on Integral Equations and Applications I, Boston, MA.

• 2022 (98)

  1. December 15, the Graduate Center, CUNY, Harmonic Analysis Seminar and PDEs 

  2. November 15, University of Delaware, Newark, Analysis Seminar, (cancelled) 

  3. October 8-9, 2022, Washington University in St. Louis, in memory of Guido Weiss (could not go due to Covid-19)

  4. Jun 6-10, the Fiels Instittue, Toronto, CA, Focus Program on Data Sciences, Approximation Theorey, and Harmonic Analysis; Workshop in Neural Network and Deep Learning,The Fields Institute for Research in Mathematical Science 

  5. March 26-27, AMS Special Session - A Women in Analysis Research Network Event, Purdue University,  

• 2021 (93)

  1. Missourie State University, Nov. 17, 2021

  2. Theoretical Machine Learning Seminars, the Graduate Center, CUNY, Nov. 6, 2021

  3. Codes and Expansions (Codex) Seminars, April 27, 2021

  4. University of Centeral Florida, Mathematics, April 23, 2021

  5. Rochester University, Mathematics, April 9, 2021

  6. Queesnborough, CUNY,  Colloquiums, March 24, 2021

  7. Theoretical Machine Learning Seminars, the Graduate Center, CUNY, March 12, 2021

  8. UCDavis Mathematics, California, Feb 2021

  9. MAA Invited Paper Session on Harmonic Analysis and Applications to Complex Analysis and Partial Differential Equations, Jan 6-9, 2021

  10. Theoretical Machine Learning Seminars, the Graduate Center, CUNY, Jan. 15, 2021

• 2020 (83)

1. The 8th Annual Conference of AnalytiX-2021 will be held during May 19-21, 2021 at Osaka, Japan.

2. Mathmetical Machine Learning Seminars, Graduate Center, CUNY, March 12 

3. Codex seminars, tbd

4. Mathmetical Machine Learning Seminars, Graduate Center, CUNYL, Jan 15

5. Mathematical Association of America (MAA), Jan 8

6. Missouri State Uni, Nov 17

7. Mathmetical Machine Learning Seminars, Graduate Center, CUNY Nov. 6

8. Colloquium talk at Florida Internationl University, Oct 22, 

• 2019 (75) 

       1. High Dimensional Probability: an introduction with application to data analysis, Dec. 6 

       2. Design filter for non-convex penalty term, NYU Tandon School of Engineering, Jan. 9 

• 2018 (73)

  1. AMS sectional meeting, Delaware University, Sept 2018

  2. ICERM, June 2018

  3. Vanderbilt University, Shank Conference, May 2018

  4. AMS Special Meeting on wavelets, Frames, and Related Expansions, Portland University, April 14-15, 2018

  5. AMS Sectional Meeting, Vanderbilt University, April 14-15, 2018

  6. UPenn University, March 1, 2018.

  7. Spring Minicourses in Analysis and Geometry, Baton Rouge, Louisiana, Feb. 8-11,2018

  8. The Graduate Center Math Fest, Feb. 2, 2018

• 2017 (65)

  1. Orthogonal Gabor bases on finite vector spaces, NEAM 2017: Second Northeastern Analysis Meeting, Oct. 13-15, 2017, Albany, New York, USA

  2. (invited) title TBA, Mathematical Congress of America (MCA), Montreal, Canada July 24-29, 2017

  3. (invited) Recent developments in Gabor orthogonal bases on finite vector spaces, Combinatorial and Additive Number Theory Conference, the Graduate Center, May 25, 2017

  4. (invited) Tight wavelet frames in finite vector spaces, Conference on Harmonic Analysis and Geometry of Fractal Sets, Ohio State University, Feb. 3-5, 2017

  5. (invited) Recent developments on the Fuglede Conjecture, AMS special session on "Women in Analysis, in honor of Cora Sadosky", Joint Mathematics Meetings, Atlanta, Jan. 7, 2017

  6. (invited) Structure of cyclic shift-invariant spaces on the Heisenberg group, AMS special session on " Lie Groups, Discretization, and Gelfand Pairs”, Joint Mathematics Meetings, Atlanta, Jan. 5, 2017

  7. (invited) Fuglede Conjecture in finite vector spaces over prime fields, AMS special session on " Bases in Function Spaces: Sampling, Interpolation, Expansions and Approximations", Joint Mathematics Meetings, Atlanta, Jan. 4, 2017

  8. (invited) Wavelet Sets in Vector Spaces over Cyclic Groups of Prime Order, AMS special session on " Bases in Function Spaces: Sampling, Interpolation, Expansions and Approximations", Joint Mathematics Meetings, Atlanta, Jan. 4, 2017

• 2016 (58)

  1. (invited) Lattice translation orthogonal systems on the Heisenberg group; at Representation Theory Seminar, the Graduate Center, December 2, 2016

  2. (invited) Tiling and Spectral Sets in $\Bbb Z_p \times \Bbb Z_p$, at Special session on “Frames, Harmonic Analysis, and Operator Theory” at AMS Sectional Meeting at North Dakota State University in April 16-17,

  3. (invited) Sampling and Interpolation on Certain Nilpotent Lie Groups, at Special session on “Frames, Wavelets and Gabor Systems” at AMS Sectional Meeting at North Dakota State University in April 16-17,

  4. (invited) Fuglede Conjecture holds in ${\Bbb Z_p^2}$, February Fourier Talk (FFT) 2016, Feb. 18-19, College Park, Maryland

  5. (invited) Tiling and spectral are equivalent in $\Bbb Z_p\times \Bbb Z_p$, Colloquium talk, University of South Florida, Tampa, Feb. 12, 2016

• 2015 (53)

  1. Fourier bases for functions on finite rings, the Graduate Center, CUNY, Sept. 2, 2015

  2. Lecture 1, Fuglede Conjecture for lattices in ${\Bbb R^d}$ is true, for the mathematics professors and graduate students at Universidad Autónoma de Madrid, Spain, June 23, 2015

  3. Lecture 2, Exponential Riesz bases and Paley Wiener spaces, for the mathematics professors and graduate students at Universidad Autónoma de Madrid, Spain, June 25, 2015

  4. Lecture 3, Fugelde Conjecture holds in ${\Bbb Z_p}\times {\Bbb Z_p}$ (Part I), for the mathematics professors and graduate students at Universidad Autónoma de Madrid, Spain, June 30, 2015

  5. Lecture 4, Fugelde Conjecture holds in ${\Bbb Z_p}\times {\Bbb Z_p}$ (Part II), for the mathematics professors and graduate students at Universidad Autónoma de Madrid, Spain, July 2, 2015

  6. Signal Analysis by Wavelet Transformation, at Feliks Gross Awards Ceremony at the Graduate Center, CUNY, May 7, 2015

  7. Riesz basis spectral and Paley-Wiener spaces, AMS Sectional Meeting, Washington D.C., March 8, 2015

  8. Semidirect product groups and Haar integrals, at the Graduate Center, Feb. 6, 2015

  9. Invited speaker, A correspondence between Paley-Wiener spaces and exponential bases, 2015 JMM (Joint Mathematical Meetings), San Antoine, Jan. 10-13, 2015.

  10. Invited speaker ar Joint Mathematical Meetings, Frames and Their Applications, III, Saint Antoine, Jan. 10-12, 2015

• 2014 (43)

  1. Invited speaker, Connection between exponential bases and translation bases, Bronx Community College, Dec. 2, 2014

  2. (Invited speaker) Frames of translates on the Heisenberg group, 5th International Conference on Computational Harmonic Analysis, May 19-23, 2014, Vanderbilt University

  3. (Invited speaker) 2014 Spring Eastern Sectional Meeting, University of Maryland, Baltimore County, Baltimore, MD, March 29-30, 2014 (Saturday - Sunday) Meeting #1098

  4. (Invited speaker) Finite frames and their applications in signal transmission, City University of New York, Queensborough, March 12, 2014

  5. An introduction to finite frame theory and its application in signal transmission, The Graduate Center, City University of New York, Feb. 7, 2014

  6. (Invited speaker) LP decomposition of abstract Besov norms in terms of band-limited functions Applied Analysis Seminar talk, Yale University, New Haven, CT, Jan. 23, 2014,

• 2013 (37)

  1. (Invited speaker) Littlewood-Paley decomposition of abstract Besov spaces and applications,
     Washington University, St. Louis, MO (Fall Central Sectional Meeting)-October 18-20, 2013(Friday - Sunday)

  2. (colloquium talk) Study of bases for cyclic subspaces on the Heisenberg group, St. Louis University, Sept 5, 2013

  3. (Invited speaker) Bracket map for the Heisenberg group and the characterization of cyclic subspaces, Spring Western Sectional Meeting
     University of Colorado Boulder, Boulder, CO, April 13-14, 2013 (Saturday - Sunday), Meeting #1089

  4. (Invited speaker) The Rotation Groups and its Representations; Mathematical Physics Graduate Seminar, April 15, 2013.

• 2012 (33)

  1. (Invited speaker) Structure of Shift-Invariant Subspaces and their Bases for the Heisenberg Group,Texas A&M University, College Station, July 16 - 22.

  2. (Invited speaker) Wavelet frames and some of their applications in practice, Colloquium talk at Queens College, CUNY, April 19, 2012

  3. (Invited speaker) Shift invariant subspaces for the Heisenberg group, Analysis of Wavelets, Frames and Fractals, Special session of the Spring Eastern AMS meeting, George Washington University, DC, March 18, 2012

  4. (invited speaker) An introduction to frames and wavelet frames - Math and Computer Science Colloquium talk at City College, CUNY, March 6, 2012

  5. (Invited speaker) Structure of shift-invariant subspaces for the Heisenberg group, at AMS Session on Classical and Abstract Harmonic Analysis: Topological and Lie Groups, Boston, Massachusetts, Jan. 7, 2012.

• 2011 (28)

  1. (invited speaker) Besov spaces on Carnot spaces: Yet another example of coorbit spaces, Shanks Conference and Lecture in Approximation Theory, at Vanderbilt University, Nashville, Tennessee, May 17-21, 2011.

  2. (with honorarium) Wavelets: A tool for studying Banach function spaces, Purdue University, West Lafayette, Jan. 27, 2011

  3. (Invited speaker) Homogeneous Besov spaces on the stratified Lie groups as generalized coorbit spaces, AMS Joint Meeting, New Orleans, Jan. 7, 2011

  4. (with honorarium)) In-homogeneous Besov spaces for abstract Hilbert spaces, A satellite workshop of AMS in Baton Rouge, State University of Louisiana, Jan. 5, 2011

• 2010 (24)

  1. Wavelets on the Heisenberg group versus the real line, The City Tech Research Conference, CUNY, March 12, 2010.

  2. (Invited speaker) Multiresolution Shannon-type wavelet on the Heisenberg group, AMS Joint Meeting, San Francisco, Jan. 16, 2010

  3. (Invited speaker) Construction of a Shannon-type wavelet on the Heisenberg group, Workshop ``on Optimal Frames and Operator Algebras", San Francisco State University Jan 17-18, 2010, as a Satellite Workshop of the AMS National Conference in San Francisco Jan 13-16, 2010

• 2009 (21)

  1. (Invited speaker with honorarium) Spin wavelets on the sphere and their characterization into frames, Illinois/Missouri Applied Harmonic Analysis Seminar, St. Louis University, Nov. 14, 2009.

  2. (Invited speaker with honorarium) Heisenberg wavelet sets and their characterization, Texas A&M University, July 29, 2009.

  3. (Invited speaker with honorarium) Wavelet frame characterization of Besov spaces on stratified Lie groups, St. Louis University, May 28, 2009.

  4. (Invited speaker with honorarium) Shannon-type wavelet on the Heisenberg group, Washington University in St. Louis, May 26, 2009.

  5. (Invited speaker with honorarium) Wavelet frames on stratified Lie groups and their applications, Oregon, The University of Oregon, March 31, 2009.

• 2008 (16)

  1. (with honorarium) Spectral theory approach to wavelet theory on Lie groups, Texas A\&M University, Jul.23, 2008.

  2. Well-localized wavelets on compact manifolds, Strobl, Austria, Jul.9, 2008.

  3. Schwartz frames on the sphere, Technische Universitaet Muenchen, Jun.4, 2008

  4. (invited speaker) Mexican hat needlets and the uncorrelated coefficients, University of Rome Tor Vergata, Italy, Mar.17, 2008.

  5. (with honorarium) Introduction to Wavelets on the Sphere, University of Waterloo, Feb 15, 2008.

• 2007 (11)

  1. Besov Spaces and frames on stratified Lie groups, Inzell, Germany, Sep.17-21, 2007.

  2. (Poster presentation) Nearly tight wavelet frames for stratified Lie groups, Strobl, Austria, Jun.18-22, 2007

  3. (with honorarium) An introduction to the Schwartz frames on the stratified Lie groups, Rafsanjan, Iran, Mar.7-9, 2007

  4. (Invited speaker) Approximation through the Schwartz wavelets with arbitrary many vanishing moments, University of Erlangen, 47th Workshop in Approximation Theory, Nuernberg, Germany, Feb.02, 2007

• 2006 and earlier (7)

  1. Discrete and continuous Mexican hat wavelet on the Heisenberg group, ICM, Madrid, Aug.23-30, 2006

  2. Constructing and implementing wavelets on the torus, HASSIP Workshop 06, GSF-IBB, Neuherberg Munich, Germany, Sep.11-14, 2006

  3. (poster presentation) Mexican hat wavelet on the Heisenberg group, Workshop on Wavelets and Applications Semester, EPFL, Lausanne, Switzerland, Jul.10-14, 2006

  4. Some continuous and discrete wavelet theory for the Heisenberg group and other stratified Lie groups, Workshop on Recent Progress in Wavelet Analysis and Frame Theory, Bremen, Germany, Jan.23-26, 2006

  5. Some wavelet theory for stratified Lie groups through the solution of the heat equation, Int. Conf. in Harmonic Analysis and Partial Differential Equations, Kiel, Germany, Jun 2005

  6. (with honorarium) An introduction to continuous and discrete wavelets on the Heisenberg group, Stony Brook University, New York, Feb.22, 2005

  7. Shannon multiresolution analysis on the Heisenberg group, TUM, Technische Universitaet Muenchen, Germany, Jun 2003

• Presentations for Students

  1. Adjoint operators in Hilbert spaces, sesquilinear forms and applications, the Graduate Center, CUNY, Nov. 11, 2016

  2. An introduction to finite frame theory and its application in signal transmission, the Graduate Center, CUNY, Feb. 7, 2014,

coming soon..