Gerhard Ringel - researchr alias

researchr

You are not signed in
Sign in
Sign up

Viewing Publication 1 - 18 from 18

2000

Variations on Ringel s earth-moon problemBrad Jackson, Gerhard Ringel. DM, 211:233-242, 2000. [doi]

1997

On the tree number of regular graphsGerhard Ringel, Anna S. Lladó, Oriol Serra. DM, 165-166:587-595, 1997. [doi]

1994

Pearls in graph theory - a comprehensive introduction (Reviewed Edition)Nora Hartsfield, Gerhard Ringel. Academic Press, 1994.

Nonseparable graphs with a given number of cyclesRanko Scepanovic, Gerhard Ringel, Dragan Marusic, G. L. Chia, Brian Alspach. jgt, 18(8):777-789, 1994. [doi]

1993

Two trees in maximal planar bipartite graphsGerhard Ringel. jgt, 17(6):755-758, 1993. [doi]

1991

Clean triangulationsNora Hartsfield, Gerhard Ringel. combinatorica, 11(2):145-155, 1991.

A brief review on Egmont Köhler s mathematical workHanfried Lenz, Gerhard Ringel. DM, 97(1-3):3-16, 1991. [doi]

1990

Quadrangular embeddings of the complete even k-partite graphNora Hartsfield, Gerhard Ringel. DM, 81(1):19-23, 1990. [doi]

1989

Minimal quadrangulations of orientable surfacesNora Hartsfield, Gerhard Ringel. JCT, 46(1):84-95, 1989. [doi]

Minimal quadrangulations of nonorientable surfacesNora Hartsfield, Gerhard Ringel. JCT, 50(2):186-195, 1989. [doi]

Hamilton surfaces for the complete even symmetric bipartite graphNora Hartsfield, Brad Jackson, Gerhard Ringel. DM, 78(1-2):89-94, 1989. [doi]

1985

The splitting number of the complete graphNora Hartsfield, Brad Jackson, Gerhard Ringel. gc, 1(1):311-329, 1985. [doi]

Heawood s empire problemBrad Jackson, Gerhard Ringel. JCT, 38(2):168-178, 1985. [doi]

1983

Maps of m-pires on the projective planeBrad Jackson, Gerhard Ringel. DM, 46(1):15-20, 1983. [doi]

1978

n-octahedron: Regular casesMark Jungerman, Gerhard Ringel. jgt, 2(1):69-75, 1978. [doi]

1977

The combinatorial map color theoremGerhard Ringel. jgt, 1(2):141-155, 1977. [doi]

2 or the n-prismGerhard Ringel. DM, 20:287-294, 1977. [doi]

1976

Triangular imbedding of K::n:: - K::6::Richard K. Guy, Gerhard Ringel. JCT, 21(2):140-145, 1976. [doi]

Sign in or sign up to see more results.

runs on WebDSL