3 papers
math.AG2026
Compactly supported -Euler characteristics of symmetric powers of cellular varieties
Jesse Pajwani, Herman Rohrbach, Anna M. Viergever
The compactly supported -Euler characteristic, introduced by Hoyois and later refined by Levine and others, is an anologue in motivic homotopy theory of the classical…
math.CO2025
Centrality of star and monotone factorisations
Jesse Campion Loth, Amarpreet Rattan
A factorisation problem in the symmetric group is central if conjugate permutations always have the same number of factorisations. We give the first fully combinatorial proof of th…
math.NT2025
Some uniform effective results on André--Oort for sums of powers in
Guy Fowler
We prove an André--Oort-type result for a family of hypersurfaces in that is both uniform and effective. Let denote the single exceptional imaginary quadratic…