Bio | Research | Teaching | Papers | Talks

Invited and Contributed talks

• July 2025, “High-order wave packet approximations to non-normalizable eigenstates,” ICOSAHOM, McGill University, Montreal, CA.
• July 2025, “Rigged DMD: Modal Koopman decompositions for the continuous spectrum,” Mi Casa Su Casa Seminar, University of Oxford, Oxford, UK.
• June 2025, “High-order contour integral methods for strongly continuous operator exponentials,” The 30th BNAC, University of Strathclyde, Glasgow, UK.
• June 2025, “Contour integral methods for exponentials of matrices and operators with explicit high-order error bounds,” Householder Symposium XXII, Ithaca, NY.
• May 2025, “Rigged DMD: Modal Koopman decompositions for the continuous spectrum,” SIAM Applications of Dynamical Systems, Denver, CO.
• March 2025, “The infinite-dimensional eigenvalue problem,” Graduate Math Seminar, RPI, Troy, NY.
• November 2024, “Rigged DMD: Data-driven generalized eigenfunction decompositions for Koopman operators,” SIAM-NNP, RIT, Rochester, NY.
• January 2024, “Computational tools for the continuous spectrum,” Math Colloquium, Williams College, Williamstown, MA.
• December 2023, “Computational tools for the continuous spectrum,” Applied Math Colloquium, RPI, Troy, NY.
• November 2023, “Computational tools for the continuous spectrum of self-adjoint operators,” CCM/CCQP Seminar, Flatiron Institute, NYC, NY.
• August 2023, “Computing spectral properties of topological insulators with disorder,” ICIAM, Waseda University, Tokyo, Japan.
• August 2023, “Fast approximation of semigroups with explicit error bounds,” Numerical Analysis in the 21st Century, University of Oxford, Oxford, UK.
• June 2023, “Computing spectral properties of infinite-dimensional operators,” AFRL Seminar, AFRL, Dayton, OH.
• June 2023, “Computing spectral properties of infinite-dimensional operators,” NASK Seminar, NASK (hybrid format), Warsaw, Poland.
• February 2023, “Computing spectral measures of self-adjoint operators,” SIAG CSE Best Paper Prize at SIAM CSE, Amsterdam, Netherlands.
• December 2022, “Differentiating functionals of data-sparse matrix factors,” SCAN Seminar, Cornell University, Ithaca, NY.
• July 2022, “Computing spectral properties of topological insulators with disorder,” WAVES 2022, Paris, France.
• July 2022, “Computing spectral properties of topological insulators with disorder,” SIAM Annual Meeting, Pittsburgh, PA.
• November 2021, “Computing spectra of infinite-dimensional operators,” NMPDE Seminar, MIT, Cambridge, MA.
• January 2021, “Computing spectral properties of infinite-dimensional operators,” Applied Math Seminar, UC Berkeley / Lawrence Berkeley Laboratory, Berkeley, CA.
• December 2020, “Twice is enough for dangerous eigenvalues,” CMS Winter Meeting, Montreal, CA (virtual conference platform).
• November 2020, “Twice is enough for dangerous eigenvalues,” NLA Seminar, University of Manchester, Manchester, UK.
• Jul. 2020, “How to diagonalize differential and integral operators with continuous spectrum,” SIAM Annual Meeting, Toronto, CA (virtual conference platform).
• Dec. 2019, “Computing spectral measures of differential and integral operators,” Complex Analysis Workshop, Isaac Newton Institute, Cambridge, UK.
• Jul. 2019, “Computing the spectrum of a differential operator: a resolvent-based approach,” CAKE, University of Cambridge, Cambridge, UK.
• Jun. 2019, “Computing the spectrum of a differential operator: a resolvent-based approach,” The 28th BNAC, University of Strathclyde, Glasgow, Scotland.
• Sept. 2018, “A continuous analogue of FEAST for differential eigenvalue problems,” SCAN Seminar, Cornell University, Ithaca, NY.
• Jul. 2018, “A continuous analogue of FEAST for differential eigenvalue problems,” ICOSAHOM, Imperial College, London, UK.
• April 2018, “A continuous analogue of FEAST for differential eigenvalue problems,” Applied Math Days, RPI, Troy, NY.
• Aug. 2015, “Mathematical model for steric disinhibition,” Mathematical Biosciences Institute Capstone Event, Ohio State, Columbus, OH.
• Oct. 2014, “Electrical resistivity in thin copper films,” American Vacuum Society, RPI, Troy, NY.