Computation of Atomic Fibers of Z-Linear Maps

dc.creatorHemmecke, Raymond
dc.date2004-10-12
dc.date.accessioned2026-07-07T05:13:12Z
dc.date.available2026-07-07T05:13:12Z
dc.descriptionFor given matrix $A\in\Z^{d\times n}$, the set $P^I_{A,b}=\{z:Az=b,z\in\Z^n_+\}$ describes the preimage or fiber of $b\in\Z^d$ under the $\Z$-linear map $f_A:\Z^n_+\to\Z^d$, $x\mapsto Ax$. The fiber $P^I_{A,b}$ is called atomic, if $P^I_{A,b}=P^I_{A,b_1}+P^I_{A,b_2}$ implies $b=b_1$ or $b=b_2$. In this paper we present a novel algorithm to compute such atomic fibers. An algorithmic solution to appearing subproblems, application to integer programming, and computational examples are included as well.
dc.identifierhttps://arxiv.org/abs/math/0410289
dc.identifierhttp://arxiv.org/abs/math/0410289
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/72861
dc.subjectCombinatorics
dc.titleComputation of Atomic Fibers of Z-Linear Maps
dc.typetext

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