2 papers
math.AT2026
Cheeger Inequalities for the Persistent Laplacian
Magnus Bakke Botnan, Rui Dong
We study Cheeger-type inequalities for persistent Laplacians associated with inclusions of simplicial complexes . We introduce a persistent…
math.GR2024
Equations in wreath products
Laurent Bartholdi, Ruiwen Dong, Leon Pernak +1
We survey solvability of equations in wreath products of groups, and prove that the quadratic diophantine problem is solvable in wreath products of Abelian groups. We consider the…