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Computer Science Preprint PDF DOI

Nonnegativity Problems for Matrix Semigroups

Julian D'Costa, Joel Ouaknine, James Worrell · 2023

The matrix semigroup membership problem asks, given square matrices $M,M_1,\ldots,M_k$ of the same dimension, whether $M$ lies in the semigroup generated by $M_1,\ldots,M_k$. It is classical that this…

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Mathematics Preprint PDF DOI

Neighborhoods at infinity and the Plancherel formula for a reductive $p$-adic symmetric space

Patrick Delorme · 2014

Yiannis Sakellaridis and Akshay Venkathesh have determined, when the group $G$ is split and the field $\F$ is of characteristic zero, the Plancherel formula for any spherical space $X$ for $G$ modulo …

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