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127 papers
Conjugacy problem in T-RAAGs
Gemma Crowe, Islam Foniqi
In this paper, we construct an implementable algorithm which solves the conjugacy problem in twisted right-angled Artin groups (T-RAAGs). In certain cases, the complexity is known…
Distinct differences of singular moduli
Guy Fowler, Emanuele Tron
Let be non-isomorphic elliptic curves with complex multiplication. We prove that the pair is characterised, up to isomorphism, by the differenc…
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…
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…
Twisted conjugacy in dihedral Artin groups I: Torus Knot groups
Gemma Crowe
In this paper we provide an alternative solution to a result by Juhász that the twisted conjugacy problem for odd dihedral Artin groups is solvable, that is, groups with presentati…
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…