Dr. Bertrand Teguia Tabuguia, Ph.D.
A mathematics lover!
Talks and Conferences
Workshop, CIRM, Invited Speaker, Marseille, France. February 24 – 28, 2025:
Thematic month: Singularities, Differential Equations, and Transcendence.
Section: Enumerative Combinatorics and Effective Aspects of Differential Equations.
FB10 AADM, Oberseminar, Universität Kassel October 14, 2024: I gave a talk about Hypergeometric-Type Sequences.
CASC'24, September 2 - 6, 2024. I presented the result of my recent paper with James Worrell: On Rational Recursion for Holonomic Sequences.
Workshop on Differential Algebra and Modeling, July 20 - 22, 2024. Invited Speaker.
ISSAC'24, July 16-19, Raleigh, NC, USA. Software and poster presentations, respectively, related to Hypergeometric-type sequences and concatenations of terms of arithmetic progressions.
Verification seminar, University of Oxford, June 25, 2024. D-algebraic functions and their discrete analog.
December 11 - 15, 2023, Mathematics & Decision, UM6P Ben Guerir, Morocco. Invited speaker. -- Cancelled.
Talk at the Kolchin Seminar in Differential Algebra on October 6, 2023. Happy to be invited. Title: Differential elimination for the closure properties of D-algebraic functions.
Participant of the 10th Heidelberg Laureate Forum (HLF). September 24 - 29, 2023. Happy to have met Fields medalists Gerd Faltings, Efim Zelmanov, and Hugo Duminil-Copin!
Here is Efim's advice: publish!
ISSAC'23, Tromso, Norway, July 24 - 27, 2023
Software presentation: Operations for D-algebraic functions. Slides.
July 10 - 14, 2023, Eindhoven, Netherlands: SIAM AG23 meeting
Invited speaker for the Minisymposia on ``Symbolic Combinatorics''. Slides.
February 8, 2023, Nonlinear Algebra Seminar
Some closure properties of D-algebraic functions.
Maple Conference 2022, November 2 - 3, 2022
I was one of the presenters for the theme Algorithm and Software. I talked about symbolic powers of functions defined by second-order linear ODEs. Video.
The sixth annual meeting of the TRR 195, September 19-22, 2022:
I gave another version of my talk at ACA 2022 with a connection to my programming in Julia for OSCAR (Open Source Computer Algebra System)
ACA 2022, Istanbul, Turkey, August 15-19, 2022
I am one of the invited speakers for the theme: D-finite Functions and Beyond: Algorithms, Combinatorics, and Arithmetic.
ISSAC 2022, Lille, France, July 4-7, 2022
I presented a poster and software. The poster was about using FPS to find closed-form representations of interlaced hypergeometric sequences. My software was about an extension of holonomic guessing to quadratic guessing.
Workshop on Differential Algebra, June 6-8, 2022
I was among the session chairs.
April 6, 2022: Seminar on Nonlinear Algebra, Max Planck Institute for Mathematics in the Sciences. I gave a talk titled: On extending ''Holonomicity".
Tagung der Fachgruppe Computeralgebra, Munich, Germany, March 09-11, 2022.
I gave a presentation entitled: Power series formulas with m-fold hypergeometric term coefficients.
Seminar in Computer Algebra, Moscow, Russia, December 15, 2021
The title of my talk was: series and sequences defined by quadratic differential equations. Pdf.
Maple Conference 2021, November 02-05, 2021
I was one of the presenters for the theme Algorithm and Software. I talked about non-holonomic power series. Video.
ISSAC 2021, Saint Petersburg, Russia, July 18-23, 2021.
4th International Conference "Computer Algebra", Moscow, June 28-29, 2021
I gave a talk about hypergeometric type power series. Video.
Maple Conference 2020, November 02-06, 2020
I was one of the presenters for the theme Algorithm and Software. In this presentation, I made the first public demonstration of the most important result of my Ph.D. thesis: Power Series Representations of Hypergeometric Type functions. Video.
ICMS 2020, TU Braunschweig, Germany, July 13-16, 2020
I was one of the software demo presenters. I presented a variant of van Hoeij's algorithm for computing hypergeometric terms.
I had a similar presentation at the African Mathematics Seminar (AfMS) on July 29, 2020. Slides (pdf), Video.
Workshop on Applied Algebra, TU Braunschweig, Germany, June 07-08, 2019
I was accepted to present a poster from my paper on randomness and the distribution of primes.