Ryuji Tanimoto

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math.RT2025

Exponential matrices, $G_{a}$ -actions on projective spaces and modular representations of elementary abelian $p$ -groups

Ryuji Tanimoto

Let $k$ be an algebraically closed field of positive characteristic $p$ and let $G_{a}$ denote the additive group of $k$ . Let $n \geq 1$ and let $Mat (n, k [T])^{E}$ denot…

math.RT2025

Homomorphisms from $SL (2, k)$ to $SL (4, k)$ in positive characteristic

Ryuji Tanimoto

Let $k$ be an algebraically closed field of positive characteistic $p$ and let $SL (n, k)$ denote the special linear algebraic group of degree $n$ over $k$ . In this paper, we…

Exponential matrices, Ga​-actions on projective spaces and modular representations of elementary abelian p-groups

Homomorphisms from SL(2,k) to SL(4,k) in positive characteristic

Exponential matrices, $G_{a}$ -actions on projective spaces and modular representations of elementary abelian $p$ -groups

Homomorphisms from $SL (2, k)$ to $SL (4, k)$ in positive characteristic