Hiroshi Era - researchr alias

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Viewing Publication 1 - 11 from 11

2005

Note on transformation of posets with the same semi bound graphsHiroshi Era, Kenjiro Ogawa, Morimasa Tsuchiya. arscom, 76, 2005.

On upper bound graphs with forbidden subposetsHiroshi Era, Kenjiro Ogawa, Satoshi Tagusari, Morimasa Tsuchiya. endm, 22:107-111, 2005. [doi]

2002

A note on construction of upper bound graphsHiroshi Era, Shin-ichi Iwai, Kenjiro Ogawa, Morimasa Tsuchiya. endm, 11:284-291, 2002. [doi]

2001

On transformations of posets which have the same bound graphHiroshi Era, Kenjiro Ogawa, Morimasa Tsuchiya. DM, 235(1-3):215-220, 2001. [doi]

2000

On upper bound graphs with respect to operations on graphsHiroshi Era, Kenjiro Ogawa, Morimasa Tsuchiya. TCS, 235(2):219-223, 2000. [doi]

1998

On upper bound graphs whose complements are also upper bound graphsHiroshi Era, Morimasa Tsuchiya. DM, 179(1-3):103-109, 1998. [doi]

1989

Path chromatic numbers of graphsJin Akiyama, Hiroshi Era, Severino V. Gervacio, Mamoru Watanabe. jgt, 13(5):571-573, 1989. [doi]

1981

The cohesiveness of a point of a graphJin Akiyama, Frank Boesch, Hiroshi Era, Frank Harary, Ralph Tindell. networks, 11(1):65-68, 1981. [doi]

Balancing signed graphsJin Akiyama, David Avis, Vasek Chvátal, Hiroshi Era. DAM, 3(4):227-233, 1981. [doi]

Further results on graph equations for line graphs and n-th power graphsJin Akiyama, Hiroshi Era, Geoffrey Exoo. DM, 34(3):209-218, 1981. [doi]

1978

A variant of inclusion-exclusion on semilatticesHiroshi Narushima, Hiroshi Era. DM, 21(2):215-217, 1978. [doi]

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