Takayuki Hibi

According to our database, Takayuki Hibi authored at least 54 papers between 1988 and 2024.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2024

Toric rings arising from vertex cover ideals.

Jürgen Herzog, Takayuki Hibi, Somayeh Moradi

Adv. Appl. Math., January, 2024

The divisor class group of a discrete polymatroid.

Jürgen Herzog, Takayuki Hibi, Somayeh Moradi, Ayesha Asloob Qureshi

J. Comb. Theory, Ser. A, 2024

2023

Toric Codes from Order Polytopes.

Mahir Bilen Can, Takayuki Hibi

Discret. Comput. Geom., April, 2023

Behaviour of the Normalized Depth Function.

Antonino Ficarra, Jürgen Herzog, Takayuki Hibi

Electron. J. Comb., 2023

The number of $4$-cycles and the cyclomatic number of a finite simple graph.

Takayuki Hibi, Aki Mori, Hidefumi Ohsugi

Australas. J Comb., 2023

2022

Matchings and squarefree powers of edge ideals.

Nursel Erey, Jürgen Herzog, Takayuki Hibi, Sara Saeedi Madani

J. Comb. Theory A, 2022

2021

Nearly Gorenstein Rings Arising from Finite Graphs.

Takayuki Hibi, Dumitru I. Stamate

Electron. J. Comb., 2021

Squarefree Powers of Edge Ideals of Forests.

Nursel Erey, Takayuki Hibi

Electron. J. Comb., 2021

2019

Ehrhart Polynomials with Negative Coefficients.

Takayuki Hibi, Akihiro Higashitani, Akiyoshi Tsuchiya, Koutarou Yoshida

Graphs Comb., 2019

Gorenstein simplices with a given δ-polynomial.

Takayuki Hibi, Akiyoshi Tsuchiya, Koutarou Yoshida

Discret. Math., 2019

Regularity and h-Polynomials of Edge Ideals.

Takayuki Hibi, Kazunori Matsuda, Adam Van Tuyl

Electron. J. Comb., 2019

Order-chain polytopes.

Takayuki Hibi, Nan Li, Teresa Xueshan Li, Li Li Mu, Akiyoshi Tsuchiya

Ars Math. Contemp., 2019

2018

Reflexive polytopes arising from perfect graphs.

Takayuki Hibi, Akiyoshi Tsuchiya

J. Comb. Theory A, 2018

Existence of regular unimodular triangulations of dilated empty simplices.

Takayuki Hibi, Akihiro Higashitani, Koutarou Yoshida

Eur. J. Comb., 2018

2017

Self Dual Reflexive Simplices with Eulerian Polynomials.

Takayuki Hibi, McCabe Olsen, Akiyoshi Tsuchiya

Graphs Comb., 2017

A Gröbner basis characterization for chordal comparability graphs.

Hidefumi Ohsugi, Takayuki Hibi

Eur. J. Comb., 2017

The numbers of edges of the order polytope and the chain polytope of a finite partially ordered set.

Takayuki Hibi, Nan Li, Yoshimi Sahara, Akihiro Shikama

Discret. Math., 2017

2016

Quadratic Gröbner bases of twinned order polytopes.

Takayuki Hibi, Kazunori Matsuda

Eur. J. Comb., 2016

The number of edges of the edge polytope of a finite simple graph.

Takayuki Hibi, Aki Mori, Hidefumi Ohsugi, Akihiro Shikama

Ars Math. Contemp., 2016

2015

The Face Vector of a Half-Open Hypersimplex.

Takayuki Hibi, Nan Li, Hidefumi Ohsugi

J. Integer Seq., 2015

Simplicial Complexes of Whisker Type.

Mina Bigdeli, Jürgen Herzog, Takayuki Hibi, Antonio Macchia

Electron. J. Comb., 2015

2014

Integer Decomposition Property of Dilated Polytopes.

David A. Cox, Christian Haase, Takayuki Hibi, Akihiro Higashitani

Electron. J. Comb., 2014

Computing Bases of Twisted Cohomology Groups for Sparse Polynomials.

Takayuki Hibi, Kenta Nishiyama, Nobuki Takayama

ACM Commun. Comput. Algebra, 2014

2013

Separating hyperplanes of edge polytopes.

Takayuki Hibi, Nan Li, Yan X. Zhang

J. Comb. Theory A, 2013

2012

Hermite normal forms and δ-vectors.

Takayuki Hibi, Akihiro Higashitani, Nan Li

J. Comb. Theory A, 2012

Pfaffian Systems of A-Hypergeometric Equations

Takayuki Hibi, Kenta Nishiyama, Nobuki Takayama

CoRR, 2012

2011

Ehrhart polynomials of convex polytopes with small volumes.

Takayuki Hibi, Akihiro Higashitani, Yuuki Nagazawa

Eur. J. Comb., 2011

Smooth Fano Polytopes Arising from Finite Partially Ordered Sets.

Takayuki Hibi, Akihiro Higashitani

Discret. Comput. Geom., 2011

2010

Binomial edge ideals and conditional independence statements.

Jürgen Herzog, Takayuki Hibi, Freyja Hreinsdóttir, Thomas Kahle, Johannes Rauh

Adv. Appl. Math., 2010

2008

Kruskal-Katona type theorems for clique complexes arising from chordal and strongly chordal graphs.

Jürgen Herzog, Satoshi Murai, Xinxian Zheng, Takayuki Hibi, Ngô Viêt Trung

Comb., 2008

Simple Polytopes Arising From Finite Graphs.

Hidefumi Ohsugi, Takayuki Hibi

Proceedings of the 2008 International Conference on Information Theory and Statistical Learning, 2008

2006

Special simplices and Gorenstein toric rings.

Hidefumi Ohsugi, Takayuki Hibi

J. Comb. Theory A, 2006

Cohen-Macaulay chordal graphs.

Jürgen Herzog, Takayuki Hibi, Xinxian Zheng

J. Comb. Theory A, 2006

Cohen-Macaulay polymatroidal ideals.

Jürgen Herzog, Takayuki Hibi

Eur. J. Comb., 2006

2005

The h-Vector of a Gorenstein Toric Ring of a Compressed Polytope.

Hidefumi Ohsugi, Takayuki Hibi

Electron. J. Comb., 2005

2004

Dirac's theorem on chordal graphs and Alexander duality.

Jürgen Herzog, Takayuki Hibi, Xinxian Zheng

Eur. J. Comb., 2004

2003

Normalized volumes of configurations related with root systems and complete bipartite graphs.

Hidefumi Ohsugi, Takayuki Hibi

Discret. Math., 2003

Gröbner bases of certain zero-dimensional ideals arising in coding theory.

Hidefumi Ohsugi, Daisuke Ikegami, Tomonori Kitamura, Takayuki Hibi

Adv. Appl. Math., 2003

2002

Hamiltonian Tournaments and Gorenstein Rings.

Hidefumi Ohsugi, Takayuki Hibi

Eur. J. Comb., 2002

2000

Finite Lattices and Lexicographic Gro"bner Bases.

Annetta Aramova, Jürgen Herzog, Takayuki Hibi

Eur. J. Comb., 2000

1999

A Normal (0, 1)-Polytope None of Whose Regular Triangulations Is Unimodular.

Hidefumi Ohsugi, Takayuki Hibi

Discret. Comput. Geom., 1999

1998

Cohen-Macaulay Partially Ordered Sets with Pure Resolutions.

Winfried Bruns, Takayuki Hibi

Eur. J. Comb., 1998

The Comparability Graph of a Modular Lattice.

Takayuki Hibi

Comb., 1998

1996

Some results on Betti numbers of Stanley-Reisner rings.

Naoki Terai, Takayuki Hibi

Discret. Math., 1996

Computation of Betti Numbers of Monomial Ideals Associated with Cyclic Polytopes.

Naoki Terai, Takayuki Hibi

Discret. Comput. Geom., 1996

1994

Cohen-Macaulay type of the face poset of a plane graph.

Takayuki Hibi

Graphs Comb., 1994

1992

Dual polytopes of rational convex polytopes.

Takayuki Hibi

Comb., 1992

1991

Linear and nonlinear inequalities concerning a certain combinatorial sequence which arises from counting the number of chains of a finite distributive lattice.

Takayuki Hibi

Discret. Appl. Math., 1991

1990

A Numerical Characterization of Gorenstein Complexes.

Takayuki Hibi

Eur. J. Comb., 1990

Some results on ehrhart polynomials of convex polytopes.

Takayuki Hibi

Discret. Math., 1990

Ehrhart Polynomials of Convex Polytopes, h-Vectors of Simplicial Complexes, and Nonsingular Projective Toric Varieties.

Takayuki Hibi

Proceedings of the Discrete and Computational Geometry: Papers from the DIMACS Special Year, 1990

1989

What can be said about pure <i>O</i>-sequences?

Takayuki Hibi

J. Comb. Theory A, 1989

Plane Graphs and Cohen-Macaulay Posets.

Takayuki Hibi

Eur. J. Comb., 1989

1988

A graph-theoretical characterization of the order complexes on the 2-sphere.

Takayuki Hibi, Hiroshi Narushima, Morimasa Tsuchiya, Kei-ichi Watanabe

Discret. Math., 1988