Yoshida, Ken-ichi
- A generalization of tight closure and multiplier ideals
2002/11/01 by Nobuo Hara, Hara, Nobuo, Ken-ichi Yoshida +1 · 6 citations
Computer Science · Mathematics · #Commutative Algebra and Its Applications #Polynomial and algebraic computation #Rings, Modules, and Algebras #math.AC #math.AG #msc:13A35 #msc:14B05
- Hilbert-Kunz multiplicity of three-dimensional local rings
2003/07/22 by Kei-ichi Watanabe, Ken-ichi Yoshida, Watanabe, Kei-ichi +1 · 4 citations
Computer Science · Mathematics · #13H05 #13H10 #13H15 #Advanced Algebra and Logic #Advanced Topics in Algebra #Commutative Algebra (math.AC) #FOS: Mathematics #Primary 13D40 Secondary 13A35 #Rings, Modules, and Algebras #math.AC #msc:13A35 #msc:13D40 #msc:13H05 #msc:13H10 #msc:13H15
- Ulrich ideals and modules
2012/06/14 by Shirô Gotô, Kazuho Ozeki, Goto, Shiro +7 · 3 citations
Computer Science · Mathematics · #13A30 #13D02 #13H10 #13H15 #16G60 #Algebraic Geometry (math.AG) #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Polynomial and algebraic computation #Representation Theory (math.RT) #Rings, Modules, and Algebras
- Good ideals and pg-ideals in two-dimensional normal singularities
2014/07/07 by Tomohiro Okuma, Kei-ichi Watanabe, Okuma, Tomohiro +3 · 5 citations
Mathematics · #13A35 (Primary) #14B05 #14J17 (Secondary) #Algebraic Geometry (math.AG) #Algebraic Geometry and Number Theory #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Rings, Modules, and Algebras
- Rees algebras and pg-ideals in a two-dimensional normal local domain
2015/11/03 by Tomohiro Okuma, Kei-ichi Watanabe, Okuma, Tomohiro +3 · 6 citations
Mathematics · Computer Science · #Commutative Algebra and Its Applications #Algebraic Geometry and Number Theory #Polynomial and algebraic computation
- Stanley--Reisner rings with large multiplicities are Cohen--Macaulay
2005/03/10 by Naoki Terai, Ken-ichi Yoshida, Terai, Naoki +1 · 1 citation
Mathematics · #13F55 #13H10 #Commutative Algebra (math.AC) #FOS: Mathematics #math.AC #msc:13F55 #msc:13H10
- Buchsbaum homogeneous algebras with minimal multiplicity
2006/07/18 by Goto, Shiro, Yoshida, Ken-ichi · 1 citation
#13H10 #13H15 #Combinatorics (math.CO) #Commutative Algebra (math.AC) #FOS: Mathematics
- Locally complete intersection Stanley-Reisner ideals
2009/01/25 by Terai, Naoki, Yoshida, Ken-ichi · 1 citation
#13F55 #13H10 #Combinatorics (math.CO) #Commutative Algebra (math.AC) #FOS: Mathematics
- Lower bounds on Hilbert--Kunz multiplicities and maximal F-signatures
2020/02/14 by Jeffries, Jack, Nakajima, Yusuke, Smirnov, Ilya +2 · 2 citations
#Algebraic Geometry (math.AG) #Commutative Algebra (math.AC) #FOS: Mathematics
- Ulrich ideals and modules over two-dimensional rational singularities
2013/07/08 by Shirô Gotô, Kazuho Ozeki, Goto, Shiro +7 · 2 citations
Mathematics · Computer Science · #Commutative Algebra and Its Applications #Polynomial and algebraic computation #Algebraic structures and combinatorial models
- The almost Gorenstein Rees algebras over two-dimensional regular local rings
2015/06/22 by Shirô Gotô, Naoyuki Matsuoka, Goto, Shiro +5 · 3 citations
Mathematics · #Commutative Algebra and Its Applications #Algebraic structures and combinatorial models #Rings, Modules, and Algebras
- The almost Gorenstein Rees algebras of parameters
2015/07/09 by Shirô Gotô, Goto, Shiro, Naoyuki Matsuoka +5 · 1 citation
Mathematics · #13A30 #13H10 #13H15 #Algebraic structures and combinatorial models #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Rings, Modules, and Algebras
- Almost Gorenstein Rees algebras of pg-ideals, good ideals, and powers of the maximal ideals
2016/07/20 by Shirô Gotô, Naoyuki Matsuoka, Goto, Shiro +5 · 3 citations
Mathematics · #Commutative Algebra and Its Applications #Algebraic structures and combinatorial models #Algebraic Geometry and Number Theory
- Hilbert-Kunz multiplicity of quadrics via Ehrhart theory
2025/08/25 by Pak, Igor, Shapiro, Boris, Smirnov, Ilya +1 · 2 citations
#Algebraic Geometry (math.AG) #Combinatorics (math.CO) #Commutative Algebra (math.AC) #FOS: Mathematics
- On vanishing of higher direct images of the structure sheaf
2024/10/20 by Shihoko Ishii, Ishii, Shihoko, Ken Yoshida +1 · 1 citation
Computer Science · #13A30 #13H05 #14B05 #Advanced Vision and Imaging #Algebraic Geometry (math.AG) #Commutative Algebra (math.AC) #FOS: Mathematics
- Minimal Hilbert-Kunz multiplicity
2003/03/12 by Kei-ichi Watanabe, Watanabe, Kei-ichi, Ken-ichi Yoshida +1 · 1 citation
Mathematics · #13A35 #13H15 #Algebraic structures and combinatorial models #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Rings, Modules, and Algebras #math.AC #msc:13A35 #msc:13H15
- Normal Hilbert coefficients and elliptic ideals in normal two-dimensional singularities
2020/12/10 by Tomohiro Okuma, Okuma, Tomohiro, Maria Evelina Rossi +5 · 2 citations
Mathematics · #13G05 #13H10 #14J17 #14J27 #Algebraic Geometry and Number Theory #Commutative Algebra (math.AC) #Commutative Algebra and Its Applications #FOS: Mathematics #Rings, Modules, and Algebras