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20122023
most citedOn del Pezzo fibrations in positive characteristic

30 citations · 200 across the 41 of their papers we have counts for

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Showing math.ACShow all

2 papers · 1 filter

math.AC2017

Infinite dimensional excellent rings

Hiromu Tanaka

In this note, we prove that there exist infinite dimensional excellent rings.

math.AC2017★ 2 cited

Infinitely generated symbolic Rees algebras over finite fields

Akiyoshi Sannai, Hiromu Tanaka

For the polynomial ring over an arbitrary field with twelve variables, there exists a prime ideal whose symbolic Rees algebra is not finitely generated.