Keiko Kotani

According to our database, Keiko Kotani authored at least 11 papers between 1998 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2024

Existence of 4-factors in star-free graphs with edge-connectivity conditions.

Yoshimi Egawa, Keiko Kotani, Jumpei Yamamoto

AKCE Int. J. Graphs Comb., 2024

2021

Existence of 3-factors in K_{1, n}-free graphs with connectivity and edge-connectivity conditions.

Keiko Kotani, Shuto Nishida

Australas. J Comb., 2021

2018

Lower Bound on the Number of Contractible Edges in a 4-Connected Graph with Edges Not Contained in Triangles.

Yoshimi Egawa, Keiko Kotani, Shunsuke Nakamura

Graphs Comb., 2018

Edges incident with a vertex of degree greater than four and a lower bound on the number of contractible edges in a 4-connected graph.

Shunsuke Nakamura, Yoshimi Egawa, Keiko Kotani

Electron. Notes Discret. Math., 2018

Structure of edges in a 4-connected graph not contained in triangles and the number of contractible edges.

Yoshimi Egawa, Keiko Kotani, Shunsuke Nakamura

AKCE Int. J. Graphs Comb., 2018

2015

Uniform coverings of 2-paths with 4-cycles.

Midori Kobayashi, Keiko Kotani, Nobuaki Mutoh, Gisaku Nakamura

AKCE Int. J. Graphs Comb., 2015

2013

Existence of 4-factors in star-free graphs with high connectivity.

Yoshimi Egawa, Keiko Kotani

Australas. J Comb., 2013

2009

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

Yoshimi Egawa, Keiko Kotani

Discret. Math., 2009

2006

Nonseparating vertices in tournaments with large minimum degree.

Keiko Kotani

Australas. J Comb., 2006

2001

Factors and Connected Induced Subgraphs.

Keiko Kotani

Graphs Comb., 2001

1998

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

Keiko Kotani

Discret. Math., 1998