Projective-planar signed graphs and tangled signed graphs

Decomposition of regular matroids

Paul Seymour · Journal of Combinatorial Theory Series B · 1980 · 749 citations

Natural Sciences, Biostatistics, Combinatorics +4

Signed graphs

Thomas Zasĺavsky · Discrete Applied Mathematics · 1982 · 540 citations

Biased graphs. II. The three matroids

Thomas Zasĺavsky · Journal of Combinatorial Theory Series B · 1991 · 146 citations

Natural Sciences, Mathematics, Combinatorics +5

Signed graphs

Thomas Zasĺavsky · Discrete Applied Mathematics · 1983 · 144 citations

Planar Graphs

Hassler Whitney · Fundamenta Mathematicae · 1933 · 106 citations · Full text