Keio University

Published papers

Koda, Yuya

21-39 items (total 39)

Essential surfaces of non-negative Euler characteristic in genus two handlebody exteriors

Author
Yuya Koda, Makoto Ozawa, with an appendix by Cameron Gordon
Publication Title
Magazine name Transactions of the American Mathematical Society Volume 367(Issue 4) Start Page 2875 - End Page 2904 (Publication Date)2015)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Arc complexes, sphere complexes and Goeritz groups

Author
Sangbum Cho, Yuya Koda, Seo Arim
Publication Title
Magazine name Michigan Mathematical Journal Volume 65(Issue 2) Start Page 333 - End Page 351 (Publication Date)2016)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Connected primitive disk complexes and genus two Goeritz groups of lens spaces

Author
Sangbum Cho, Yuya Koda
Publication Title
Magazine name International Mathematics Research Notices Volume IMRN 2016(Issue 23) Start Page 7302 - End Page 7340 (Publication Date)2016)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Knot homotopy in subspaces of the 3-sphere

Author
Yuya Koda, Makoto Ozawa
Publication Title
Magazine name Pacific Journal of Mathematics Volume 282(Issue 2) Start Page 389 - End Page 414 (Publication Date)2016)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Stable maps and branched shadows of 3-manifolds

Author
Masaharu Ishikawa, Yuya Koda
Publication Title
Magazine name Mathematische Annalen Volume 367(Issue 3) Start Page 1819 - End Page 1863 (Publication Date)2017)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Haken spheres for genus two Heegaard splittings

Author
Sangbum Cho, Yuya Koda
Publication Title
Magazine name Mathematical Proceedings of the Cambridge Philosophical Society Volume 165(Issue 3) Start Page 563 - End Page 572 (Publication Date)2018)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

The disk complex and 2-bridge knots

Author
Sangbum Cho, Yuya Koda
Publication Title
Magazine name Journal of Knot Theory and its Ramifications Volume 27(Issue 4) Start Page 1850027 (Publication Date)2018)
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Neighborhood equivalence for multibranched surfaces in 3-manifolds

Author
Kai Ishihara, Yuya Koda, Makoto Ozawa, Koya Shimokawa
Publication Title
Magazine name Topology and its Applications Start Page 11 - End Page 21 (Publication Date)2019)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

The mapping class groups of reducible Heegaard splittings of genus two

Author
Sangbum Cho, Yuya Koda
Publication Title
Magazine name Transactions of the American Mathematical Society Volume 371(Issue 4) Start Page 2473 - End Page 2502 (Publication Date)2019)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Twisted book decompositions and the Goeritz groups

Author
Daiki Iguchi, Yuya Koda
Publication Title
Magazine name Topology and its Applications Start Page 107064 (Publication Date)2020)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Disk surgery and the primitive disk complexes of the 3-sphere

Author
Sangbum Cho, Yuya Koda, Jung Hoon Lee
Publication Title
Magazine name Topology and its Applications Start Page 107092 (Publication Date)2020)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Shadows of acyclic 4-manifolds with sphere boundary

Author
Yuya Koda, Hironobu Naoe
Publication Title
Magazine name Algebraic & Geometric Topology Volume 20(Issue 7) Start Page 3707 - End Page 3731 (Publication Date)2020)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Extending automorphisms of the genus-2 surface over the 3-sphere

Author
Kenta Funayoshi, Yuya Koda
Publication Title
Magazine name The Quarterly Journal of Mathematics Volume 716(Issue 1) Start Page 175 - End Page 196 (Publication Date)2020)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Four-manifolds with shadow-complexity one

Author
Yuya Koda, Bruno Martelli, Hironobu Naoe
Publication Title
Magazine name Annales de la Faculté des Sciences de Toulouse. Mathématiques. Série 6 Volume 31(Issue 4) Start Page 1111 - End Page 1212 (Publication Date)2022)
Authorship Category
Joint Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Tunnel complexes of 3-manifolds

Author
Yuya Koda
Publication Title
Magazine name Algebraic & Geometric Topology Volume 11(Issue 1) Start Page 417 - End Page 447 (Publication Date)2011)
Role
First Author
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

A Heegaard-type presentation of branched spines and the Reidemeister-Turaev torsion

Author
Yuya Koda
Publication Title
Magazine name Mathematische Zeitschrift Volume 260(Issue 1) Start Page 203 - End Page 228 (Publication Date)2008)
Role
First Author
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Heegaard splittings and the Reidemeister-Turaev torsion

Author
Yuya Koda
Publication Title
Magazine name Tokyo Journal of Mathematics Volume 30(Issue 2) Start Page 417 - End Page 439 (Publication Date)2007)
Role
First Author
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Branched spines and Heegaard genus of 3-manifolds

Author
Yuya Koda
Publication Title
Magazine name Manuscripta Mathematica Volume 123(Issue 3) Start Page 285 - End Page 299 (Publication Date)2007)
Role
First Author
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With

Strongly-cyclic branched coverings and the Alexander polynomial of knots in rational homology spheres

Author
Yuya Koda
Publication Title
Magazine name Mathematical Proceedings of the Cambridge Philosophical Society Volume 142(Issue 2) Start Page 259 - End Page 268 (Publication Date)2007)
Role
First Author
Authorship Category
Single Work
Publication Category
Research paper (scientific journal)
Peer-review Status
With