- An invitation to constant term sequences (Penn State)

2024/06/08 — The Legacy of Ramanujan 2024: Celebrating the 85th birthdays of George Andrews & Bruce Berndt (Penn State University) - On the representability of sequences as constant terms (Cologne)

2024/03/11 — International Conference on Modular Forms and q-Series (University of Cologne) - An invitation to constant term sequences (Clifford Lectures)

2024/02/25 — Clifford Lectures 2024: The Web of Modularity (Tulane University) - Automatic Lucas-type congruences (ACA 2023)

2023/07/19 — ACA 2023 (Applications of Computer Algebra), Session on D-Finite Functions and Beyond: Algorithms, Combinatorics, and Arithmetic (Warsaw, Poland) - Sums of powers of binomials, their Apéry limits, and Franel's suspicions (Dalhousie)

2022/10/06 — Mathematics Colloquium (Dalhousie University) - Gaussian binomial coefficients with negative arguments (South Alabama)

2022/09/29 — Mathematics Colloquium (University of South Alabama) - Sums of powers of binomials, their Apéry limits, and Franel's suspicions (El Paso)

2022/09/18 — AMS Fall Central Sectional Meeting, Special Session on The Intersection of Number Theory and Combinatorics (University of Texas at El Paso) - Sums of powers of binomials, their Apéry limits, and Franel's suspicions (Paris)

2022/07/01 — Joint Seminar: MATHEXP-PolSys & Transcendence and Combinatorics (Inria Saclay & Sorbonne University, Paris) - Lucas congruences and congruence schemes (Vienna)

2022/06/10 — Combinatorics Seminar (University of Vienna) - Sums of powers of binomials, their Apéry limits, and Franel's suspicions (RISC)

2022/04/27 — Algorithmic Combinatorics Seminar (RISC, Johannes Kepler University, Linz) - Lucas congruences and congruence schemes (RISC)

2022/04/25 — RISC Colloquium (RISC, Johannes Kepler University, Linz) - Sums of powers of binomials, their Apéry limits, and Franel's suspicions (LSU)

2022/03/13 — Southern Regional Number Theory Conference (Louisiana State University) - Gaussian binomial coefficients with negative arguments (MAA 2020)

2020/11/02 — International Conference on Mathematical Analysis and Applications (MAA 2020) (National Institute of Technology Jamshedpur (IND)) - Interpolated sequences and critical L-values of modular forms (Gainesville)

2019/11/03 — AMS Fall Southeastern Sectional Meeting, Special Session on Partition Theory and Related Topics (University of Florida) - Negative thinking and polynomial analogs (OPSFA)

2019/07/26 — 15th International Symposium on Orthogonal Polynomials, Special Functions and Applications; plenary lecture (RISC, Johannes Kepler University (AT)) - Interpolated sequences and critical L-values of modular forms (OPSFA)

2019/07/25 — 15th International Symposium on Orthogonal Polynomials, Special Functions and Applications; Minisymposium on Computer Algebra and Special Functions (RISC, Johannes Kepler University (AT)) - On the Gaussian binomial coefficients, the simplest of q-series (Berndt80)

2019/06/07 — Analytic and Combinatorial Number Theory: The Legacy of Ramanujan (in honor of Bruce Berndt's 80th birthday) (University of Illinois at Urbana-Champaign) - Interpolated sequences and critical L-values of modular forms (LSU)

2019/04/14 — Southern Regional Number Theory Conference: Modular Curves, Modular Forms, and Hypergeometric Functions (Louisiana State University) - The congruences of Fermat, Euler, Gauss and stronger versions thereof (LSU)

2018/10/22 — Algebra and Number Theory Seminar (Louisiana State University) - Supercongruences for polynomial analogs of the Apéry numbers (Integers 2018)

2018/10/05 — Integers Conference 2018 (University of Augusta) - Gauss congruences (Andrews80)

2018/06/21 — Combinatory Analysis 2018 (in honor of George Andrews' 80th birthday) (Penn State University) - Gauss congruences (Memphis)

2018/05/08 — International Conference on Mathematics and Statistics (ICOMAS 2018), Special Session on Analytic Number Theory (University of Memphis) - Properties of Laurent coefficients of multivariate rational functions (ESI)

2017/11/14 — Workshop on Computer Algebra in Combinatorics (Erwin Schroedinger Institute, Vienna) - A modular supercongruence for 6F5: An Apéry-like story (PANTS)

2017/09/17 — Palmetto Number Theory Series (PANTS XXVIII) (University of Tennessee) - Congruences connecting modular forms and truncated hypergeometric series (AG17)

2017/07/31 — SIAM Conference on Applied Algebraic Geometry, Minisymposium on Symbolic Combinatorics (Georgia Tech) - A gumbo with hints of partitions, modular forms, special integer sequences and supercongruences (Illinois)

2017/03/16 — Number Theory Seminar (University of Illinois at Urbana-Champaign) - Core partitions into distinct parts and an analog of Euler's theorem (JMM)

2017/01/06 — AMS Joint Meetings 2017, Special Session on Partition Theory and Related Topics (Atlanta) - Core partitions into distinct parts and an analog of Euler's theorem (Integers 2016)

2016/10/06 — Integers Conference 2016 (University of West Georgia) - An analog of Euler's theorem on integer partitions (South Alabama)

2016/09/15 — Mathematics Colloquium (University of South Alabama) - Core partitions into distinct parts and an analog of Euler's theorem (Alladi60)

2016/03/19 — International Conference on Number Theory in honor of Krishna Alladi's 60th birthday (University of Florida) - Divisibility properties of sporadic Apéry-like numbers (Athens)

2016/03/06 — AMS Spring Southeastern Sectional Meeting, Special Session on Experimental Mathematics (University of Georgia) - Divisibility properties of sporadic Apéry-like numbers (JMM)

2016/01/07 — AMS Joint Meetings 2016, Session on Number Theory (Seattle) - Lucas congruences (South Alabama)

2015/10/16 — Pure Mathematics Seminar (University of South Alabama) - Special values of trigonometric Dirichlet series (NIST)

2015/06/03 — 13th International Symposium on Orthogonal Polynomials, Special Functions and Applications, Minisymposium on the Legacy of Ramanujan (NIST) - Divisibility properties of sporadic Apéry-like numbers (NIST)

2015/06/02 — 13th International Symposium on Orthogonal Polynomials, Special Functions and Applications, Minisymposium on Symbolic Computation and Special Functions (NIST) - On a q-analog of the Apéry numbers (UCF)

2015/05/12 — International conference on orthogonal polynomials and q-series (University of Central Florida) - Supercongruences for Apéry-like numbers (AKLS)

2015/03/11 — Seminar Aachen-Köln-Lille-Siegen on Automorphic Forms (Universität zu Köln) - Properties and applications of Apéry-like numbers (South Alabama)

2015/02/26 — Mathematics Colloquium (University of South Alabama) - Congruences for Fishburn numbers modulo prime powers (JMM)

2015/01/11 — AMS Joint Meetings 2015, Special Session on Partitions, q-Series, and Modular Forms (San Antonio) - Trigonometric Dirichlet series and Eichler integrals (Dalhousie)

2014/10/20 — Number Theory and Experimental Mathematics Day (Dalhousie University) - Positivity of rational functions and their diagonals (Dalhousie)

2014/10/18 — AMS Fall Eastern Sectional Meeting 2014, Special Session on Special Functions and Their Applications (Dalhousie University) - On a q-analog of the Apéry numbers (Dalhousie)

2014/10/18 — AMS Fall Eastern Sectional Meeting 2014, Special Session on Experimental Mathematics in Number Theory, Analysis, and Combinatorics (Dalhousie University) - Properties and applications of Apéry-like numbers (Tulane)

2014/09/18 — Mathematics Colloquium (Tulane University) - Supercongruences for Apéry-like numbers (Singapore)

2014/08/13 — Number Theory, Partitions, q-Series and Related Research Seminar (National Institute of Education, SG) - Properties and applications of Apéry-like numbers (Samsun)

2014/08/08 — International Conference on Algebra and Number Theory (Samsun, TR) - Apéry numbers and their experimental siblings (ICERM)

2014/07/22 — Challenges in 21st Century Experimental Mathematical Computation (ICERM, Brown University) - Supercongruences for Apéry-like numbers (Bristol)

2014/07/09 — 2nd EU-US Workshop on Automorphic Forms and Related Topics (University of Bristol, GB) - Multivariate Apéry numbers (Illinois)

2014/06/03 — Midwest Number Theory Conference for Graduate Students and Recent PhDs XI (University of Illinois at Urbana-Champaign) - On a secant Dirichlet series and Eichler integrals of Eisenstein series (Moab)

2014/05/12 — 28th Automorphic Forms Workshop (Moab, Utah) - Multivariate Apéry numbers and supercongruences of rational functions (Texas Tech)

2014/04/13 — AMS Spring Central Sectional Meeting 2014, Special Session on Recent Developments in Number Theory (Texas Tech University) - Properties and applications of Apéry-like numbers (Illinois)

2014/04/03 — Number Theory Seminar (University of Illinois at Urbana-Champaign) - On the ubiquity of modular forms and Apéry-like numbers (Dublin)

2013/11/18 — Algebra and Number Theory Seminar (University College Dublin) - On a secant Dirichlet series and Eichler integrals of Eisenstein series (Cologne)

2013/11/12 — Oberseminar Zahlentheorie (Universität zu Köln) - On the ubiquity of modular forms and Apéry-like numbers (Tulane)

2013/10/17 — Algebra and Combinatorics Seminar (Tulane University) - Tools for special functions and special numbers (Tulane)

2013/10/15 — Graduate Student Colloquium (Tulane University) - On a secant Dirichlet series and Eichler integrals of Eisenstein series (Philadelphia)

2013/10/12 — AMS Fall Eastern Sectional Meeting 2013, Special Session on Modular Forms and Modular Integrals in Memory of Marvin Knopp (Temple University) - On the ubiquity of modular forms and Apéry-like numbers (RISC)

2013/10/09 — Algorithmic Combinatorics Seminar (RISC, Johannes Kepler University, Linz) - A solution of Sun's $520 challenge concerning 520/pi (SIAM)

2013/07/10 — SIAM Annual Meeting, Minisymposium on Symbolic Computation and Special Functions (San Diego, CA) - A solution of Sun's $520 challenge concerning 520/pi (Dublin)

2013/03/14 — 27th Automorphic Forms Workshop (University College Dublin) - Arithmetic aspects of short random walks (MPIM)

2013/02/13 — Number Theory Lunch Seminar (Max-Planck-Institut für Mathematik, Bonn) - Arithmetic aspects of short random walks (Cologne)

2013/01/29 — Oberseminar Zahlentheorie (Universität zu Köln) - On the q-binomial coefficients and binomial congruences (Illinois)

2012/11/15 — q-Series Seminar (University of Illinois at Urbana-Champaign) - An application of modular forms to short random walks (Tucson)

2012/10/28 — AMS Fall Western Sectional Meeting 2012, Special Session on Harmonic Maass Forms and q-Series (University of Arizona) - A q-analog of Ljunggren's binomial congruence (Illinois)

2012/10/13 — Midwest Number Theory Conference for Graduate Students and Recent PhDs IX (University of Illinois at Urbana-Champaign) - Arithmetic aspects of short random walks (Illinois)

2012/09/27 — Number Theory Seminar (University of Illinois at Urbana-Champaign) - An application of modular forms to short random walks (Aachen)

2012/08/10 — 1st EU-US Conference on Automorphic Forms and Related Topics (RWTH Aachen, DE) - Symbolic evaluation of log-sine integrals in polylogarithmic terms (JMM)

2012/01/07 — AMS Joint Meetings 2012 (Boston) - Hypergeometric evaluations of the densities of short random walks (AG11)

2011/10/06 — SIAM Conference on Applied Algebraic Geometry, Minisymposium on Symbolic Combinatorics (North Carolina State University) - q-binomial coefficient congruences (Newcastle)

2011/08/23 — CARMA Analysis and Number Theory Seminar (University of Newcastle) - Special values of generalized log-sine integrals (ISSAC)

2011/06/09 — ISSAC 2011 (San Jose) - Applications and evaluations of log-sine integrals (JonFest)

2011/05/19 — JonFest 2011: Workshop on Computational and Analytical Mathematics in honour of Jonathan Borwein's 60th birthday (Simon Fraser University) - How far does a drunkard get? (Tulane)

2011/04/12 — Graduate Student Colloquium (Tulane University) - On the method of brackets (JMM)

2011/01/09 — AMS Joint Meetings 2011, Special Session on Mathematics Related to Feynman Diagrams (New Orleans) - Random walks in the plane (FPSAC)

2010/08/02 — FPSAC 2010 (San Francisco State University) - Expectations of random walks (Newcastle)

2009/08/18 — CARMA Workshop on Multidimensional Numerical Integration and Special Function Evaluation (University of Newcastle)