Walks on tilings of polygons
: Halava V, Harju T
Publisher: ELSEVIER SCIENCE BV
: 2017
: Theoretical Computer Science
: THEORETICAL COMPUTER SCIENCE
: THEOR COMPUT SCI
: 701
: 120
: 124
: 5
: 0304-3975
: 1879-2294
DOI: https://doi.org/10.1016/j.tcs.2017.02.034(external)
In 1966 J.R. Isbell proved his algebraic Zig-Zag Theorem using a simple property of paths in a tiling of a plane rectangle. We prove here Isbell's lemma for more general tilings of plane rectangles. (C) 2017 Elsevier B.V. All rights reserved.