Open Access4-critical 4-valent planar graphs constructed with crowns.
Author(s) -
Gerhard Koester
Publication year - 1990
Publication title -
mathematica scandinavica
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.553
H-Index - 30
eISSN - 1903-1807
pISSN - 0025-5521
DOI - 10.7146/math.scand.a-12316
Subject(s) - mathematics , planar , planar graph , geometry , pure mathematics , combinatorics , graph , computer science , computer graphics (images)