論文

公開件数: 34 件
No. 掲載種別 単著・共著区分 タイトル 著者 誌名 出版者 巻号頁 出版日 ISSN DOI URL 概要
1 研究論文(学術雑誌)
共著
Generalizations of the Conway-Gordon theorems and intrinsic knotting on complete graphs
H. Morishita and R. Nikkuni
Journal of the Mathematical Society of Japan

to appear
2019




2 研究論文(学術雑誌)
共著
On calculations of the twisted Alexander ideals for spatial graphs, handlebody-knots and surface-links
A. Ishii, R. Nikkuni and K. Oshiro
Osaka Journal of Mathematics

55/ 2, 297-313
2018/04
0388-0699

URL

3 (MISC)総説・解説(国際会議プロシーディングズ)
共著
Recent developments in spatial graph theory
E. Flapan, T. Mattman, B. Mellor, R. Naimi and R. Nikkuni
Contemporary Mathematics

689, 81-102
2017/05

10.1090/conm/689/13845


4 研究論文(学術雑誌)
単著
Cn-moves and the difference of Jones polynomials for links
R. Nikkuni
Journal of Knot Theory and its Ramifications

26/ 5, 1750029
2017/04/01

10.1142/S0218216517500298


5 研究論文(学術雑誌)
共著
A homotopy classification of two-component spatial graphs up to neighborhood equivalence
A. Mizusawa and R. Nikkuni
Topology and its Applications

196/ Part B, 710-718
2015

10.1016/j.topol.2015.05.041


6 研究論文(学術雑誌)
共著
Reduced Wu and generalized Simon invariants for spatial graphs
E. Flapan, W. Fletcher and R. Nikkuni
Mathematical Proceedings of the Cambridge Philosophical Society

156/ 3, 521-544
2014

10.1017/S0305004114000073


7 研究論文(学術雑誌)
共著
Conway-Gordon type theorem for the complete four-partite graph K3,3,1,1
H. Hashimoto and R. Nikkuni
New York Journal of Mathematics

20, 471-495
2014


URL

8 (MISC)総説・解説(商業誌)
単著
空間グラフのトポロジー
新國 亮
数理科学

617, 13-19
2014/11/01


URL

9 研究論文(学術雑誌)
共著
On Conway-Gordon type theorems for graphs in the Petersen family
H. Hashimoto and R. Nikkuni
Journal of Knot Theory and its Ramifications

22/ 9, 1350048
2013

10.1142/S021821651350048X


10 研究論文(学術雑誌)
共著
Y-exchanges and the Conway-Gordon theorems
R. Nikkuni and K. Taniyama
Journal of Knot Theory and its Ramifications

21/ 7, 1250067
2012

10.1142/S0218216512500678


11 研究論文(学術雑誌)
共著
On intrinsically knotted or completely 3-linked graphs
R. Hanaki, R. Nikkuni, K. Taniyama and A. Yamazaki
Pacific Journal of Mathematics

252/ 2, 407-425
2011

10.2140/pjm.2011.252.407


12 研究論文(学術雑誌)
共著
Regular projections of graphs with at most three double points
Y. Huh and R. Nikkuni
Journal of Knot Theory and its Ramifications

19/ 7, 917-933
2010

10.1142/S0218216510008261


13 研究論文(学術雑誌)
単著
Homotopy on spatial graphs and generalized Sato-Levine invariants
R. Nikkuni
Revista Matematica Complutense

23/ 1, 1-17
2010

10.1007/s13163-009-0007-x


14 研究論文(学術雑誌)
単著
On the Wu invariants for immersions of a graph into the plane
R. Nikkuni
Homology, Homotopy and Applications

12/ 1, 45-60
2010

10.4310/HHA.2010.v12.n1.a5


15 研究論文(学術雑誌)
共著
Homotopy on spatial graphs and the Sato-Levine invariant
T. Fleming and R. Nikkuni
Transactions of the American Mathematical Society

361/ 4, 1885-1902
2009

10.1090/S0002-9947-08-04510-8


16 研究論文(学術雑誌)
単著
An intrinsic nontriviality of graphs
R. Nikkuni
Algebraic & Geometric Topology

9/ 1, 351-364
2009

10.2140/agt.2009.9.351


17 研究論文(学術雑誌)
単著
A refinement of the Conway-Gordon theorems
R. Nikkuni
Topology and its Applications

156/ 17, 2782-2794
2009

10.1016/j.topol.2009.08.013


18 研究論文(学術雑誌)
共著
Symmetries of spatial graphs and Simon invariants
R. Nikkuni and K. Taniyama
Fundamenta Mathematicae

205/ 3, 219-236
2009

10.4064/fm205-3-2


19 研究論文(学術雑誌)
単著
Delta edge-homotopy invariants of spatial graphs via disk-summing the constituent knots
R. Nikkuni
Illinois Journal of Mathematics

52/ 2, 629-644
2008


URL

20 研究論文(国際会議プロシーディングス)
単著
Achirality of spatial graphs and the Simon invariant
R. Nikkuni
Intelligence of Low Dimensional Topology 2006 (Hiroshima), Series on Knots and Everything
World Scientific
40, 239-243
2007

10.1142/9789812770967_0030


21 研究論文(国際会議プロシーディングス)
単著
Regular projections of spatial graphs
R. Nikkuni
Knot Theory for Scientific Objects, Osaka City University Advanced Mathematical Institute Studies
Osaka Municipal Universities Press
1/ 1, 111-128
2007


URL

22 研究論文(学術雑誌)
単著
An unknotting theorem for delta and sharp edge-homotopy
R. Nikkuni
Mathematische Nachrichten

280/ 8, 897-906
2007

10.1002/mana.200410522


23 研究論文(学術雑誌)
単著
Completely distinguishable projections of spatial graphs
R. Nikkuni
Journal of Knot Theory and its Ramifications

15/ 1, 11-19
2006

10.1142/S0218216506004282


24 研究論文(学術雑誌)
単著
A remark on the identifiable projections of planar graphs
R. Nikkuni
Kobe Journal of Mathematics

22/ 1-2, 65-70
2005


URL

25 研究論文(学術雑誌)
共著
Newly found forbidden graphs for trivializability
R. Nikkuni, M. Ozawa, K. Taniyama and Y. Tsutsumi
Journal of Knot Theory and its Ramificarions

14/ 4, 523-538
2005

10.1142/S0218216505003932


26 研究論文(学術雑誌)
単著
Sharp edge-homotopy on spatial graphs
R. Nikkuni
Revista Matematica Complutense

18/ 1, 181-207
2005


URL

27 研究論文(学術雑誌)
共著
Delta move and polynomial invariants of links
T. Kanenobu and R. Nikkuni
Topology and its Applications

146/147, 91-104
2005

10.1016/j.topol.2003.02.003


28 研究論文(学術雑誌)
単著
Delta edge-homotopy on theta curves
R. Nikkuni
Mathematical Proceedings of the Cambridge Philosophical Society

138/ 3, 401-420
2005

10.1017/S0305004104008242


29 研究論文(学術雑誌)
共著
On boundary spatial embeddings of a graph
R. Nikkuni and R. Shinjo
The Quarterly Journal of Mathematics

56/ 2, 239-249
2005

10.1093/qmath/hah034


30 研究論文(学術雑誌)
単著
Edge-homotopy classification of spatial complete graphs on four vertices
R. Nikkuni
Journal of Knot Theory and its Ramifications

13/ 6, 763-777
2004

10.1142/S0218216504003433


31 研究論文(学術雑誌)
共著
A characterization of knots in a spatial graph II
R. Nikkuni and K. Onda
Journal of Knot Theory and its Ramifications

11/ 7, 1133-1154
2002

10.1142/S0218216502002098


32 研究論文(学術雑誌)
単著
Delta link-homotopy on spatial graphs
R. Nikkuni
Revista Matematica Complutense

15/ 2, 543-570
2002


URL

33 研究論文(学術雑誌)
単著
Clasp-pass moves on spatial graphs
R. Nikkuni
Interdisciplinary Information Sciences

7/ 1, 113-121
2001

10.4036/iis.2001.113


34 研究論文(学術雑誌)
単著
The second skew-symmetric cohomology group and spatial embeddings of graphs
R. Nikkuni
Journal of Knot Theory and its Ramifications

9/ 3, 387-411
2000

10.1142/S0218216500000189