RIMS 共同研究 (公開型)

研究集会「特異点論の展開」
Extension of the Singularity theory
日時:会場:
HP :2023 年 11 月 27 日 – 2023 年 11 月 29 日
京都大学数理解析研究所 111 号室
https://www2.akita-nct.ac.jp/kasedou/workshop/rims2023/indexj.html (日本語)https://www2.akita-nct.ac.jp/kasedou/workshop/rims2023/index.html (英語)プログラム

11 月 27 日 (月)9:50 – 10:30

田島 慎一 (新潟大学フェロー / 東京理科大学)
多項式函数の bifurcation set の計算法 II (鍋島克輔と共同)

10:40 – 11:20

北澤 直樹 (九州大学マス・フォア・インダストリ研究所 / 大阪公立大学数学研究所) [Zoom]
Special generic maps on closed and simply-connected manifolds of dimension 6

11:30 – 12:10 Laurentiu Paunescu (University of Sydney)
Zariski’s dimensionality type of singularities. Case of dimensionality type 2(joint with Adam Parusiński)
13:40 – 14:20

山本 卓宏 (東京学芸大学)
Surfaces formed by one-patameter families of parabolas in R3(joint work with Nobuko Takeuchi)

14:30 – 15:10

平松 篤樹 (埼玉大学理工学研究科)
Versality of the folding family

15:20 – 16:00

石川 剛郎 (北海道大学理学研究院)
Singular curves of (3, 5) distributions

16:10 – 16:50

韓 呼和 (西北農林科技大学)
On the spherical polytopes pair separated by spherical polytope

11 月 28 日 (火)9:00 – 9:40

山内 優太 (横浜国立大学)
Fenchel’s theorem for wave fronts

9:50 – 10:30

服部 祐樹 (横浜国立大学)
Bour’s theorem for helicoidal surfaces with singularities

10:40 – 11:20

梅原 雅顕 (東京工業大学，数理・計算科学系)
実解析写像の像の解析的拡張の可能性の判定と応用

11:30 – 12:10

小林 真人 (秋田大学)
An elementary reproof of Fabricius Bjerre theorem for polygons

13:40 – 14:20

佐久間 一浩 (近畿大学) [Zoom]
Fold maps on complex projective spaces

14:30 – 15:10

林 弘幸 (神戸大学大学院理学研究科)
Geometry on curves passing through Whitney umbrella

15:20 – 16:00

島田 瑠奈 (神戸大学大学院理学研究科)
S1 特異点の変形の幾何学

16:10 – 16:50

西村 尚史 (横浜国立大学)
Problems related to creative conditions on envelopes

11 月 29 日 (水)9:00 – 9:40

中津山 希 (室蘭工業大学)
On vertices of frontals in the Euclidean plane

9:50 – 10:30

岩倉 康樹 (九州大学マスフォアイノベーション連係学府)
Non-singular extensions of circle-valued Morse functions

10:40 – 11:20

裴 東河 (東北師範大学)
Null type surfaces in Minkowski 3-space

支援:
世話人:

科研費基盤 (C) 23K03106 (研究代表者 福井 敏純)
京都大学 RIMS 共同研究 (公開型)
加世堂 公希 (秋田高専), 土田旭 (滋賀大学)

Extension of the Singularity theory
Date: November 27th, 2023 – November 29th, 2023
Venue: Room 111, Research Institute for Mathematical Sciences,
Kyoto University, Japan
HP : https://www2.akita-nct.ac.jp/kasedou/workshop/rims2023/index.html[Program]
November 27th (Monday)
9:50 – 10:30

Shinichi Tajima (Niigata University)
Algorithm for computing bifurcation set of a complex polynomial map(joint work with Kasusuke Nabeshima)

10:40 – 11:20 Naoki Kitazawa (Institute of Mathematics for Industry, Kyushu University /Osaka Central Advanced Mathematical) [Zoom]
Special generic maps on closed and simply-connected manifolds of dimension 6
11:30 – 12:10 Laurentiu Paunescu (University of Sydney)
Zariski’s dimensionality type of singularities. Case of dimensionality type 2(joint with Adam Parusiński)
13:40 – 14:20 Takahiro Yamamoto (Tokyo Gakugei University)
Surfaces formed by one-patameter families of parabolas in R3(joint work with Nobuko Takeuchi)
14:30 – 15:10 Atsuki Hiramatsu (Saitama University)
Versality of the folding family
15:20 – 16:00 Goo Ishikawa (Faculty of Sciences, Hokkaido University)
Singular curves of (3, 5) distributions
16:10 – 16:50 Huhe Han (Northwest A&F University)
On the spherical polytopes pair separated by spherical polytope

November 28th (Tuesday)
9:00 – 9:40

Yuta Yamauchi (Yokohama National University)
Fenchel’s theorem for wave fronts

9:50 – 11:30 Yuki Hattori (Yokohama National University)
Bour’s theorem for helicoidal surfaces with singularities
10:40 – 11:20 Masaaki Umehara (Department of Mathematical and Computing Science,
Tokyo Institute of Technology)
Unextendability of real analytic map images and its application
11:30 – 12:10 Mahito Kobayashi (Akita University)
An elementary reproof of Fabricius Bjerre theorem for polygons13:40 – 14:20 Kazuhiro Sakuma (Kindai University) [Zoom]
Fold maps on complex projective spaces
14:30 – 15:10 Hiroyuki Hayashi (Department of Mathematics, Graduate School of Science,
Kobe University)
Geometry on curves passing through Whitney umbrella
15:20 – 16:00 Runa Shimada (Department of Mathematics, Graduate School of Science,
Kobe University)
Geometry on deformations of the S1 singularity
16:10 – 16:50 Takashi Nishimura (Yokohama National University)
Problems related to creative conditions on envelopes
November 29th (Wednesday)
9:00 – 9:40 Nozomi Nakatsuyama (Muroran Institute of Technology)
On vertices of frontals in the Euclidean plane
9:50 – 11:30

Koki Iwakura (Kyushu University Joint Graduate School of Mathematicsfor Innovation)
Non-singular extensions of circle-valued Morse functions

10:40 – 11:20 Donghe Pei (Northeast Normal University)
Null type surfaces in Minkowski 3-space

Sponsers:
Organizers:

JSPS Grant-in-aid (C) 23K03106 (PI: Toshizumi Fukui)
RIMS Symposia (open)
Masaki Kasedou (NIT, Akita), Asahi Tsuchida (Shiga University)