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researcher

A. Higashitani

76 papers hereh-index 16924 citations109 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • sole author13
  • first author32
  • middle author21
  • last author9

Across the 75 of 76 papers where every author was matched, so the position is known.

fields
  • math.CO50
  • math.AC13
  • math.RT4
  • math.GR3
  • math.AT2
  • math.RA2

identity via Semantic Scholar / OpenAlex

activity
20092023
most citedArithmetic aspects of symmetric edge polytopes

30 citations · 184 across the 67 of their papers we have counts for

collaborators
Showing 2010 · math.COShow all

3 papers · 2 filters

math.CO2010

Hermite normal forms and δ-vector

Takayuki Hibi, Akihiro Higashitani, Nan Li

Let $δ(\Pc) = (δ_0, δ_1,..., δ_d)$ be the δ-vector of an integral polytope $\Pc \subset \RR^N$ of dimension d. Following the previous work of characterizing the δ-vectors wit…

math.CO2010★ 27 cited

Roots of Ehrhart polynomials arising from graphs

Tetsushi Matsui, Akihiro Higashitani, Yuuki Nagazawa +2

Several polytopes arise from finite graphs. For edge and symmetric edge polytopes, in particular, exhaustive computation of the Ehrhart polynomials not merely supports the conjectu…

math.CO2010★ 7 cited

Roots of Ehrhart polynomials of Gorenstein Fano polytopes

Takayuki Hibi, Akihiro Higashitani, Hidefumi Ohsugi

Given arbitrary integers k and d with 0≤2k≤d, we construct a Gorenstein Fano polytope $\Pc \subset \RR^d$ of dimension d such that (i) its Ehrhart polynomial $i(\…

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Not affiliated with arXiv. Researcher data from Semantic Scholar (ODC-BY) and OpenAlex.