Results 51 to 60 of about 20,297 (176)

A coboundary Temperley–Lieb category for sl2$\mathfrak {sl}_{2}$‐crystals

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 3, September 2025.
Abstract By considering a suitable renormalization of the Temperley–Lieb category, we study its specialization to the case q=0$q=0$. Unlike the q≠0$q\ne 0$ case, the obtained monoidal category, TL0(k)$\mathcal {TL}_0(\mathbb {k})$, is not rigid or braided. We provide a closed formula for the Jones–Wenzl projectors in TL0(k)$\mathcal {TL}_0(\mathbb {k})$
Moaaz Alqady, Mateusz Stroiński
wiley   +1 more source

The diagonal p$p$‐permutation functor kRk$kR_k$

open access: yesJournal of the London Mathematical Society, Volume 112, Issue 3, September 2025.
Abstract Let k$k$ be an algebraically closed field of positive characteristic p$p$. We describe the full lattice of subfunctors of the diagonal p$p$‐permutation functor kRk$kR_k$ obtained by k$k$‐linear extension from the functor Rk$R_k$ of linear representations over k$k$. This leads to the description of the “composition factors” SP$S_P$ of kRk$kR_k$,
Serge Bouc
wiley   +1 more source

On the rationality of algebraic monodromy groups of compatible systems

open access: yes, 2018
Let E be a number field and X be a smooth geometrically connected variety defined over a characteristic p finite field F_q. Given an n-dimensional pure E-compatible system of semisimple \lambda-adic representations \rho_\lambda of the fundamental group ...
Hui, Chun Yin
core  

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