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石井 敦
Ishii, Atsushi
数理物質系 , 准教授 Institute of Pure and Applied Sciences , Associate Professor
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1.
Shade quandle presentations for oriented links
Ishii, Atsushi; Kawamura, Kengo; Oshiro, Kanako; Taniguchi, Yuta
JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS 34: (2025)
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2.
Normalized quandle twisted Alexander invariants
Ishii, Atsushi; Oshiro, Kanako
INTERNATIONAL JOURNAL OF MATHEMATICS 35: (2024) Semantic Scholar
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3.
QUANDLE TWISTED ALEXANDER INVARIANTS
Ishii, Atsushi; Oshiro, Kanako
OSAKA JOURNAL OF MATHEMATICS 59: 683 (2022)
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4.
The fundamental multiple conjugation quandle of a handlebody-link
Ishii, Atsushi
JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN 74: 1 (2022) Semantic Scholar
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5.
Row relations of twisted Alexander matrices and shadow quandle 2-cocycles
Ishii, Atsushi; Oshiro, Kanako
TOPOLOGY AND ITS APPLICATIONS 301: (2021) Semantic Scholar
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6.
Cocycles of G-Alexander biquandles and G-Alexander multiple conjugation biquandles
Ishii, Atsushi; Iwakiri, Masahide; Kamada, Seiichi; Kim, Jieon (+1 著者) Oshiro, Kanako
TOPOLOGY AND ITS APPLICATIONS 301: 107512 (2021) Semantic Scholar
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7.
A multiple group rack and oriented spatial surfaces
Ishii, Atsushi; Matsuzaki, Shosaku; Murao, Tomo
JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS 29: 2050046 (2020) Semantic Scholar
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8.
Biquandle (co)homology and handlebody-links
Ishii, Atsushi; Iwakiri, Masahide; Kamada, Seiichi; Kim, Jieon (+1 著者) Oshiro, Kanako
JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS 27: 1843011 (2018) Semantic Scholar
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9.
ON CALCULATIONS OF THE TWISTED ALEXANDER IDEALS FOR SPATIAL GRAPHS, HANDLEBODY-KNOTS AND SURFACE-LINKS
Ishii, Atsushi; Nikkuni, Ryo; Oshiro, Kanako
OSAKA JOURNAL OF MATHEMATICS 55: 297 (2018)
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10.
A multiple conjugation biquandle and handlebody-links
Ishii, Atsushi; Iwakiri, Masahide; Kamada, Seiichi; Kim, Jieon (+1 著者) Oshiro, Kanako
HIROSHIMA MATHEMATICAL JOURNAL 48: 89 (2018) Semantic Scholar
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11.
ハンドル体結び目とカンドル理論の発展
石井,敦
SUGAKU 70: 63 (2018)
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12.
HOMOLOGY FOR QUANDLES WITH PARTIAL GROUP OPERATIONS
Scott Carter; Atsushi Ishii; Masahico Saito; Kokoro Tanaka
PACIFIC JOURNAL OF MATHEMATICS 287: 19 (2017) Semantic Scholar
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13.
Knotted handle decomposing spheres for handlebody-knots
Atsushi Ishii; Kengo Kishimoto; Makoto Ozawa
JOURNAL OF THE MATHEMATICAL SOCIETY OF JAPAN 67: 407 (2015) Semantic Scholar
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14.
Handlebody-knot invariants derived from unimodular Hopf algebras
Ishii,Atsushi
J. Knot Theory Ramifications 23: 1460001 (2014)
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15.
A G-family of quandles and handlebody-knots
Ishii,Atsushi; Masahide,Iwakiri; Yeonhee,Jang; Kanako,Oshiro
Illinois J. Math. 57: 817 (2013)
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16.
A TABLE OF GENUS TWO HANDLEBODY-KNOTS UP TO SIX CROSSINGS
Atsushi Ishii; Kengo Kishimoto; Hiromasa Moriuchi; Masaaki Suzuki
JOURNAL OF KNOT THEORY AND ITS RAMIFICATIONS 21: (2012) Semantic Scholar
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17.
Quandle Cocycle Invariants for Spatial Graphs and Knotted Handlebodies
Atsushi Ishii; Masahide Iwakiri
CANADIAN JOURNAL OF MATHEMATICS-JOURNAL CANADIEN DE MATHEMATIQUES 64: 102 (2012) Semantic Scholar
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18.
An operator invariant for handlebody-knots
Kai Ishihara; Atsushi Ishii
FUNDAMENTA MATHEMATICAE 217: 233 (2012) Semantic Scholar
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19.
A finite type invariant of order at most 4 for genus 2 handlebody-knots is a constant map
Atsushi, Ishii; Kengo, Kishimoto
Topology Appl. 159: 1115-1121 (2012)
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20.
ON NORMALIZATIONS OF A REGULAR ISOTOPY INVARIANT FOR SPATIAL GRAPHS
Atsushi Ishii
INTERNATIONAL JOURNAL OF MATHEMATICS 22: 1545 (2011) Semantic Scholar
書籍等出版物情報はまだありません。
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1.
Partially multiplicative biquandles and handlebody-knots
Ishii, Atsushi; Nelson, Sam
AMS Fall Western Sectional Meeting 2015年10月24日
知財情報はまだありません。
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