## Research Talks

- "Introduction to p-adic numbers and representations". International AIM - RTNCG Research Group, online, October 2022.
- "The p-adic local character expansion as a branching rule". MIT Math Lie Groups Days (in honor of David Vogan), Boston, USA, September 2022.
- "On the local character expansion". Representations and Characters: Revisiting the Works of Harish-Chandra and André Weil, Singapore, July 2022.
- "Un développement local des caractères des représentations de SL(2, F), F p-adique". Séminaire Théorie des Groupes, LAMFA, UPJV, France, mars 2022.
- "Le développement local des caractères des représentations de SL(2, F), F p-adique". Séminaire AG, UVSQ, France, janvier 2022.
- "Welcome to p-adic representation theory," Algebra Seminar, uOttawa, November 2021.
- "This is what I do", an introduction to my research for the AIM Research Community: Representation Theory and Noncommutative Geometry, May 2021.
- "Bruhat-Tits theory and supercuspidal representations of p-adic groups: a view through compact open subgroups," Algebra and Geometry Online, Sydney Mathematics Research Institute, Sydney, Australia, February 2021.
- "Interpreting the local character expansion of p-adic SL(2)," Number Theory / Representation Theory Seminar, University of Wisconsin-Madison, January 2021.
- "Interpreting the Harish-Chandra—Howe local character expansion via branching rules," The 2020 Paul J. Sally, Jr. Midwest Representation Theory Conference, Online, October 2020.
- "Branching rules and types for representations of p-adic groups," Nonassociate Algebras and Geometry, AARMS workshop, Bonne Bay Marine Station, Memorial University, Nfld, August 2019.
- "Towards proving the unicity of types for supercuspidal representations," Number Theory/Representation Theory Seminar, University of Alberta, April 2019.
- "On the unicity of types for supercuspidal representations," Lie Groups Seminar, MIT, Cambridge, MA, November 2018.
- "Bruhat-Tits theory and types for p-adic groups," Ottawa-Lyon-Sao Paulo Workshop on Representation Theory, Ottawa, Canada, July 2018.
- "On Unicity of Types for Tame Supercuspidal Representations," New Developments in Automorphic Forms, Instituto Universitario de Investigacion de Matematicas de la Universidad de Sevilla, Seville, Spain, April 2018.
- "On Unicity of Types for Tame Supercuspidal Representations," Special Session on Automorphic Forms and L-functions, SUNY Buffalo, Sep 2017.
- "On Classifying nilpotent adjoint orbits via buildings," AARMS conference, Combinatorics of group actions and its applications, Memorial University, St John’s Nfld, Aug 2017.
- "On Unicity of Types for Tame Toral Supercuspidal Representations," Workshop and Conference on Representation Theory of p-adic groups, IISER Pune, Pune, India, Jul 2017.
- "On archetypes and an inertial Langlands correspondence," Session on Representation Theory, CMS Summer Meeting, Edmonton, Jun 2016.
- "On nilpotent orbits of p-adic special orthogonal groups," Session on Representation Theory, CMS Winter Meeting, Montréal, Dec 2015.
- "Branching to the derived group of some toral supercuspidal representations," Special Session on Representations of Reductive Groups, AMS Sectional Meeting, Rutgers, NJ, November 2015.
- "Branching to the derived group of length-one toral supercuspidal representations," Session on Automorphic Forms and Representation Theory, CMS Winter Meeting, Hamilton, Dec 2014.
- "Branching to a maximal compact subgroup for depth zero supercuspidal representations," Lie Groups Seminar, MIT, November 2014.
- "Méthodes algébriques pour la cryptographie asymétrique," Séminaire de Théorie des Nombres de Montpellier II, Janvier 2013.
- "Les représentations des groupes p-adiques, vues de la restriction à un sous-groupe ouvert-compact maximale", Séminaire Caen Cergy Clermont Paris - Théorie des Représentations, Univ Paris VII, Novembre 2012.
- "Les représentations des groupes p-adiques, vues de la restriction à un sous-groupe ouvert-compact maximale : le cas de SL(2,k)", Séminaire de Théorie des Nombres de Montpellier, Octobre 2012.
- "Restriction to a maximal compact subgroup in the p-adic case.", AMS Special Session on Trends in Representation Theory, Joint Math Meetings, Boston, MA, January 2012.
- "On Branching Rules for Supercuspidal Representations of reductive p-adic groups.", Special Session on Representations of Local and Global Groups, AMS Sectional Meeting, Ithaca, NY, September 2011.
- "Forward Secure Identity-based Key Agreement for Dynamic Groups," Privacy, Security and Trust (PST 2011), Montreal, QC, July 2011.
- "NTRU over the Eisenstein Integers," Special Session on Error Control Codes, Information Theory and Applied Cryptography, CMS Summer Meeting, Fredericton, NB, June 2010.
- "On some irreducible representations of SL(2,O), where O is the integer ring of a p-adic field.", Special Session on Harmonic Analysis and Representations of Reductive p-adic Groups, AMS Joint Math Meetings, San Francisco, CA, January 2010.
- "Patterns in Branching Rules for Supercuspidal Representations", Session on Lie Groups and Automorphic Forms, CMS Winter Meeting, Windsor, Dec 5, 2009.
- "Applications of the Representation Theory of Groups: How Representation Theory Underlies Everything", at the Ottawa Mathematics Conference, Ottawa, May 1-2, 2008.
- "Representation Theory and Wireless Communications: Space-Time Codes", on joint work with Terasan Niyomsataya and Ali Miri, Department of Mathematics Colloquium and AWM Invited Lecture, University of Chicago, February 23rd, 2007.
- Ibid, presented in the Group Theory Seminar at the University of Bristol, UK, June 2007.
- "Branching Rules for Principal Series Representations", on joint work with Peter S. Campbell, Algebra Seminar, University of Chicago, February 22nd, 2007.
- "Branching Rules for Unramified Principal Series Representations of p-adic GL(3)", on joint work with Peter S. Campbell, Special Session on Algebraic Groups, 2006 Spring Eastern Section Meeting, Durham, NH, April 22-23, 2006
- "Branching Rules for Principal Series Representations of GL(3)," joint work with Peter S. Campbell, CMS Summer Meeting, Waterloo, June 2005.
- "Decomposition of Restrictions of Principal Series Representations of p-adic GL(3) to a Maximal Compact Subgroup," joint with Peter S. Campbell, Special Session on Representation Theory of Reductive Groups, 2004 Fall Central Section Meeting, Evanston, IL, October 23-24, 2004.
- Slides of my talk at the AMS Sectional Meeting at Northeastern University, Boston, in October 2002: pdf file.
- Slides of my talk at the Joint Meetings in New Orleans, January 2001 (pdf).

## Recent selected talks for non-specialists

- Keynote Address: "New Frontiers in Mathematical Cryptography". Canadian Undergraduate Mathematics Conference, Quebec City, Canada, July 2022.
- "p-adic numbers are better than real numbers," Math Club presentation, University of Ottawa, November 2019.
- "Cryptography, pure mathematics and quantum computers," Talk and activity, Adventures in Engineering and Science Teen Sci camps, July 2019.
- "University and Mathematics," Ridgemont High School, May 2019.
- "Memorization as an Obstacle: Tales from first year Calculus for the Life Sciences," OCDSB Math PD Day, Gloucester High School, April 2019.
- "How big is Big Data?" University of Ottawa Open House, March 2019.
- "Cryptographie : de la théorie des nombres à l'informatique quantique," Journée uOttawa 2018, Portes Ouvertes uOttawa 2019.
- "Cryptography, pure mathematics and quantum computers," Adventures in Engineering and Science Teen Sci camps, July/August 2018.
- "Cryptography, mathematics and quantum computing," University of Ottawa Open House, March 2018.
- "Mathematics and mathematical cryptography," Workshop for Grade 7/8 students, University of Ottawa, May 2017.
- "La cryptographie mathématique," Conférencière invitée, Journée Horizons Mathématiques, avril 2017.
- "Mathematics: Science, Life and Research," Science Expo 2016, Colonel By Secondary School, Ottawa, 29 April 2016.
- "Algebra and Geometry as University Preparation," Math PD Day, Sir Wilfrid Laurier High School, 12 February 2016.
- "Engaging students in abstract thinking -- Le défi d'engager nos étudiants dans la pensée abstraite," Let's talk about teaching, TLSS Lecture Series, 20 October 2015.
- "Algebraic Methods in Cryptography," Keynote speaker, Ottawa Mathematics Conference, 20 June 2015.
- "Expectations for success in first year Calculus: results of a survey research project," co-presented with Angela Smart, Ottawa, 29 May 2015.
- "Old Paradoxes prove Math is New," Mathematics PD Day, Ridgemont High School, Ottawa, 13 February 2015.
- "Mathematics and Mathematical Cryptography," Science Expo, Colonel By Secondary School, 16 December 2014.
- "Paradoxes et concepts de la théorie des fonctions," AFEMO 2014, Université d'Ottawa, 15 mai 2014.
- "La cryptologie par le biais de l'algèbre et des nombres premiers," AFEMO 2014, Université d'Ottawa, 15 mai 2014.
- "Rote and reason (and pirates)," OCDSB Math PD Day, Glebe Collegiate Institute, Ottawa, November 15, 2013.
- "La pensée mathématique," Atelier cerveau, apprentissage et maths Équipe ERÉTÉ, Ministère de l'éducation, Ottawa, 30 octobre 2013
- "Mathematical Cryptography," Vanier Celebrates Women in Science, Vanier College, Montréal, October 17, 2013.
- Conférencière, "La pensée mathématique," AFEMO 2012, Université d'Ottawa, mai 2012.
- "Missteps, mistakes and misdirection in mathematical thinking: Landmines in the path of the unwary student of university mathematics," Mathematics PD Day, AY Jackson High School, Ottawa, February 2012.
- "Sharing the joy of mathematics / Promouvoir la face cachée des mathématiques," APUO Award for Excellence in Teaching, University of Ottawa, September 2011.
- "Mathematics of Games," CMS Summer Math Camp, University of Ottawa, June 2011, June 2018.
- "Use of Maple TA for grading student work in first year Calculus", TLSS Workshop, Centre for University Teaching, Ottawa, April 2011. (Co-presented with Benoit Dionne, University of Ottawa.)
- "Expectations vs reality for first year University mathematics", Mathematics Professional Development Day, Earl of March Secondary School, Ottawa, February 2011.

## Talks for the general public

- "Mathematical Cryptography – La cryptographie mathématique," as part of a Go ENG Girl event for 125 Girl Guides, University of Ottawa, October 2019.
- "Cryptography: from pure mathematics to quantum computers." Pint Of Science (part of the international series of events), Malone’s pub, Ottawa, May 2018.
- "What is mathematical research?" Science Storyteller, March For Science, organized by Evidence for Democracy, April 2018.
- Slides from a Grade 7/8 workshop on cryptography, and the handouts, Ottawa, May 2017.
- "La cryptographie mathématique," Journée Horizons Mathématiques, avril 2017
- "On RSA" (University of Ottawa Day, Octobers 2004, 2006 and 2007)
- "CryptoSecrets: The Mathematics of Internet Security" (Holiday Science Lecture Series, December 29, 2005)
- "Codes and Cryptography," an interactive talk with a Grade 3 class in Ottawa, February 20, 2006.