Andrew Putman

activity

20052026

most citedRepresentation stability and finite linear groups

105 citations · 705 across the 54 of their papers we have counts for

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3 papers · 1 filter

math.GT2026

The rational homology of quotients of the curve complex

Andrew Putman

Let $M o d_{g, n}$ be the mapping class group of a genus- $g$ surface with $n$ punctures and let $C_{g, n}$ be its curve complex. For a finite-index subgroup $G < \ma…

math.GT2026

The kernel of the Birman-Craggs-Johnson homomorphism

Tara E. Brendle, Dan Margalit, Andrew Putman

For surfaces of genus $g \geq 3$ with at most one boundary component, we give explicit generating sets for the kernel of the Birman-Craggs-Johnson homomorphism and the commutator s…

math.GT2026

Calculating the second rational cohomology group of the Torelli group

Andrew Putman

Minahan and the author recently proved results that allow the calculation of the second rational cohomology group of the Torelli group. This builds on two key ingredients: Hain's c…