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Kotani, Keiko
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1

Existence of 4-factors in star-free graphs with edge-connec..:

Egawa, Yoshimi ; Kotani, Keiko ; Yamamoto, Jumpei
AKCE International Journal of Graphs and Combinatorics.  21 (2023)  1 - p. 41-47 , 2023
Link: https://doi.org/10.1080/..
 
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2

Lower Bound on the Number of Contractible Edges in a 4-Conn..:

Egawa, Yoshimi ; Kotani, Keiko ; Nakamura, Shunsuke
Graphs and Combinatorics.  34 (2018)  5 - p. 965-987 , 2018
Link: https://doi.org/10.1007/..
 
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3

Edges incident with a vertex of degree greater than four an..:

Nakamura, Shunsuke ; Egawa, Yoshimi ; Kotani, Keiko
Electronic Notes in Discrete Mathematics.  68 (2018)  - p. 23-28 , 2018
Link: https://doi.org/10.1016/..
 
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4

Structure of edges in a 4-connected graph not contained in ..:

Egawa, Yoshimi ; Kotani, Keiko ; Nakamura, Shunsuke
AKCE International Journal of Graphs and Combinatorics.  15 (2018)  2 - p. 202-210 , 2018
Link: https://doi.org/10.1016/..
 
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5

Uniform coverings of 2-paths with 4-cycles:

Kobayashi, Midori ; Kotani, Keiko ; Mutoh, Nobuaki.
AKCE International Journal of Graphs and Combinatorics.  12 (2015)  1 - p. 70-73 , 2015
Link: https://doi.org/10.1016/..
 
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6

4-factors in 2-connected star-free graphs:

Egawa, Yoshimi ; Kotani, Keiko
Discrete Mathematics.  309 (2009)  21 - p. 6265-6270 , 2009
Link: https://doi.org/10.1016/..
 
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7

Factors and Connected Induced Subgraphs:

Kotani, Keiko
Graphs and Combinatorics.  17 (2001)  3 - p. 511-515 , 2001
Link: https://doi.org/10.1007/..
 
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8

K-regular factors and semi-k-regular factors in graphs:

Kotani, Keiko
Discrete Mathematics.  186 (1998)  1-3 - p. 177-193 , 1998
Link: https://doi.org/10.1016/..
 
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9

k-regular factors and semi-k-regular factors in bipartite g..:

Kotani, Keiko
Annals of Combinatorics.  2 (1998)  2 - p. 137-144 , 1998
Link: https://doi.org/10.1007/..
 
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10

Microcrystalline PbS doped silica glasses prepared by the s..:

Nogami, Masayuki ; Nagasaka, Katsumi ; Kotani, Keiko
Journal of Non-Crystalline Solids.  126 (1990)  1-2 - p. 87-92 , 1990
Link: https://doi.org/10.1016/..
 
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11

Existence of 4-factors in star-free graphs with edge-connec..:

Yoshimi Egawa ; Keiko Kotani ; Jumpei Yamamoto
https://www.tandfonline.com/doi/10.1080/09728600.2023.2250407.  , 2023
Link: https://doi.org/10.1080/..
 
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12

A Case Study of VAN Jacket and Kensuke Ishizu:

Keiko Kotani
https://www.jstage.jst.go.jp/article/marketing/40/4/40_2021.022/_html/-char/en.  , 2021
Link: https://doi.org/10.7222/..
 
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13

Structure of edges in a 4-connected graph not contained in ..:

Yoshimi Egawa ; Keiko Kotani ; Shunsuke Nakamura
http://dx.doi.org/10.1016/j.akcej.2017.09.002.  , 2018
Link: https://doi.org/10.1016/..
 
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14

Structure of edges in a 4-connected graph not contained in ..:

Yoshimi Egawa ; Keiko Kotani ; Shunsuke Nakamura
http://www.sciencedirect.com/science/article/pii/S0972860017301159.  , 2018
Link: https://doi.org/10.1016/..
 
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15

Uniform coverings of 2-paths with 4-cycles:

Midori Kobayashi ; Keiko Kotani ; Nobuaki Mutoh.
http://www.sciencedirect.com/science/article/pii/S0972860015000122.  , 2015
Link: https://doi.org/10.1016/..
 
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