๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Rectangular and visibility representations of infinite planar graphs

โœ Scribed by Carsten Thomassen


Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
75 KB
Volume
52
Category
Article
ISSN
0364-9024

No coin nor oath required. For personal study only.

โœฆ Synopsis


Abstract

We provide a new method for extending results on finite planar graphs to the infinite case. Thus a result of Ungar on finite graphs has the following extension: Every infinite, planar, cubic, cyclically 4โ€edgeโ€connected graph has a representation in the plane such that every edge is a horizontal or vertical straight line segment, and such that no two edges cross. A result of Tamassia and Tollis extends as follows: Every countably infinite planar graph is a subgraph of a visibility graph. Furthermore, every locally finite, 2โ€connected, planar graph is a visibility graph. ยฉ 2006 Wiley Periodicals, Inc. J Graph Theory 52: 257โ€“265, 2006


๐Ÿ“œ SIMILAR VOLUMES


Rectangular duals of planar graphs
โœ Krzysztof Koลบmiล„ski; Edwin Kinnen ๐Ÿ“‚ Article ๐Ÿ“… 1985 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 645 KB
Spanning paths in infinite planar graphs
โœ Dean, Nathaniel; Thomas, Robin; Yu, Xingxing ๐Ÿ“‚ Article ๐Ÿ“… 1996 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 796 KB

Let G be a 4connected infinite planar graph such that the deletion of any finite set of vertices of G results in at most one infinite component. We prove a conjecture of Nash-Williams that G has a 1 -way infinite spanning path. 0 1996 John Wiley & Sons, Inc. [7] has shown that every 4-connected fini

Infinite paths in planar graphs V, 3-ind
โœ Xingxing Yu ๐Ÿ“‚ Article ๐Ÿ“… 2008 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 583 KB

## Abstract We prove Nashโ€Williams' conjecture that every 4โ€connected, 3โ€indivisible, infinite, planar graph contains a spanning 2โ€way infinite path. A graph is said to be 3โ€indivisible if the deletion of any finite set of vertices results in at most two infinite components. ยฉ 2007 Wiley Periodical

Infinite paths in planar graphs III, 1-w
โœ Xingxing Yu ๐Ÿ“‚ Article ๐Ÿ“… 2006 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 336 KB

An infinite graph is 2-indivisible if the deletion of any finite set of vertices from the graph results in exactly one infinite component. Let G be a 4-connected, 2-indivisible, infinite, plane graph. It is known that G contains a spanning 1-way infinite path. In this paper, we prove a stronger resu