Sabin Lessard, Université de Montréal

Latest papers

A classification of structured-coalescent processes with migration, conditional on the population pedigree.
Genetics · 2026 · first author
The asymmetry between spite and altruism.
Theoretical population biology · 2025 · senior author
Differential migration in a finite-island model and the evolution of cooperation.
Physical review. E · 2025 · senior author

All 31 publications

Latest funding

Mathematical population genetics and evolutionary games
NSERC · 2016 · Principal investigator
$168,000
Computational resources for research in mathematics and statistics
NSERC · 2013 · Co-investigator
$28,143
Mathematical population genetics and evolutionary games
NSERC · 2011 · Principal investigator
$150,000

All 16 grants and awards

31 publications.

01

A classification of structured-coalescent processes with migration, conditional on the population pedigree.

Lessard S, Easlick T, Wakeley J

Genetics2026First author

DOI: 10.1093/genetics/iyag127 PMID: 42139546

02

The asymmetry between spite and altruism.

Kurokawa S, Lessard S

Theoretical population biology2025Senior author

DOI: 10.1016/j.tpb.2025.11.001 PMID: 41265728

03

Differential migration in a finite-island model and the evolution of cooperation.

Kroumi D, Lessard S

Physical review. E2025Senior author

DOI: 10.1103/qgdk-977g PMID: 40745792

04

Evolution of cooperation in social dilemmas with assortment in finite populations.

Martin É, Lessard S

Journal of theoretical biology2024Senior author

DOI: 10.1016/j.jtbi.2024.111891 PMID: 38945472

05

Stochastic viability in an island model with partial dispersal: Approximation by a diffusion process in the limit of a large number of islands.

Kroumi D, Lessard S

Theoretical population biology2024Senior author

DOI: 10.1016/j.tpb.2024.06.003 PMID: 38909707

06

On the sign of the average effect of an allele.

Lessard S, Ewens WJ

Theoretical population biology2022First author

DOI: 10.1016/j.tpb.2022.10.001 PMID: 36272552

07

Average abundancy of cooperation in multi-player games with random payoffs.

Kroumi D, Lessard S

Journal of mathematical biology2022Senior author

DOI: 10.1007/s00285-022-01789-1 PMID: 36094659

08

Stochastic replicator dynamics and evolutionary stability.

Feng TJ, Li C, Zheng XD, Lessard S, Tao Y

Physical review. E2022

DOI: 10.1103/physreve.105.044403 PMID: 35590672

09

Stochastic evolutionary stability in matrix games with random payoffs.

Feng TJ, Mei J, Li C, Zheng XD, Lessard S, Tao Y

Physical review. E2022

DOI: 10.1103/physreve.105.034303 PMID: 35428156

10

Inclusive fitness and Hamilton's rule in a stochastic environment.

Lessard S, Li C, Zheng XD, Tao Y

Theoretical population biology2021First author

DOI: 10.1016/j.tpb.2021.09.007 PMID: 34627803

Mathematical population genetics and evolutionary games

Principal investigatorNSERC2016Discovery Grants Program - Individual

Principal investigators: Lessard, Sabin

$168,000

Computational resources for research in mathematics and statistics

Co-investigatorNSERC2013Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: LafayedeMicheaux, Pierre

$28,143

Mathematical population genetics and evolutionary games

Principal investigatorNSERC2011Discovery Grants Program - Individual

Principal investigators: Lessard, Sabin

$150,000

Mise à jour des laboratoires de mathématiques

Co-investigatorNSERC2009Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: SaintAubin, Yvan

$54,273

Quebec training program in genetic epidemiology (QGEP)

Co-investigatorCIHR2009Training Grant in Genetic Epidemiology - Letter of Intent

Principal investigators: Dubé, Marie-Pierre; O'Loughlin, Jennifer L

Keywords: Genetic Epidemiology; Genomic Medicine; Graduate Diploma; Scholarship Competition; Workshop

Mathematical genetics and evolution

Principal investigatorNSERC2006Discovery Grants Program - Individual

Principal investigators: Lessard, Sabin

$145,000

Mise à jour du laboratoire de mathématiques

Co-investigatorNSERC2005Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: Bourlioux, Anne

$84,597

Mathematical genetics and evolution

Principal investigatorNSERC2001Discovery Grants Program - Individual

Principal investigators: Lessard, Sabin

$145,000

Postes de travail pour le laboratoire de mathématiques

Principal investigatorNSERC2001Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: Lessard, Sabin

$35,204

Laboratoire de mathématiques

Principal investigatorNSERC1999Research Tools and Instruments - Category 1 (<$150,000)

Principal investigators: Lessard, Sabin

$52,160

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

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Subject: Prospective PhD student Dear Professor Lessard, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "A classification of structured-coalescent processes with migration, conditional on the population pedigree." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]