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zbMath0830.05001MaRDI QIDQ4023190

Rudolf Fritsch

Publication date: 23 January 1993

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

history four-color theorem topological maps reducability reducable configuration unavoidable set of configurations

Mathematics Subject Classification ID

Research exposition (monographs, survey articles) pertaining to combinatorics (05-02) History of mathematics in the 20th century (01A60) Planar graphs; geometric and topological aspects of graph theory (05C10) Relations of low-dimensional topology with graph theory (57M15) Coloring of graphs and hypergraphs (05C15) History of mathematics in the 19th century (01A55) Connections of general topology with other structures, applications (54H99) History of combinatorics (05-03)

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Graph coloring and semidefinite rank ⋮ Some arithmetical restatements of the four color conjecture

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