Flips in Graphs

dc.creatorBohman, Tom
dc.creatorDudek, Andrzej
dc.creatorFrieze, Alan
dc.creatorPikhurko, Oleg
dc.date2009-03-12
dc.date.accessioned2026-07-07T12:51:55Z
dc.date.available2026-07-07T12:51:55Z
dc.descriptionWe study a problem motivated by a question related to quantum-error-correcting codes. Combinatorially, it involves the following graph parameter: $$f(G)=\min\set{|A|+|\{x\in V\setminus A : d_A(x)\text{is odd}\}| : A\neq\emptyset},$$ where $V$ is the vertex set of $G$ and $d_A(x)$ is the number of neighbors of $x$ in $A$. We give asymptotically tight estimates of $f$ for the random graph $G_{n,p}$ when $p$ is constant. Also, if $$f(n)=\max\set{f(G): |V(G)|=n}$$ then we show that $f(n)\leq (0.382+o(1))n$.
dc.identifierhttps://arxiv.org/abs/0903.2201
dc.identifierhttp://arxiv.org/abs/0903.2201
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/223141
dc.subjectCombinatorics
dc.titleFlips in Graphs
dc.typetext

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