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Electronic Proceedings in Theoretical Computer Science
Article . 2009 . Peer-reviewed
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Preprint . 2009
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Electronic Proceedings in Theoretical Computer Science
Article . 2009
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Regular Matroids with Graphic Cocircuits

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Conference object , Other literature type 30 Sep 2009Embargo end date: 01 Jan 2009 English Publisher:Open Publishing AssociationJournal:Electronic Proceedings in Theoretical Computer Science, volume 4, pages 29-41 (eissn: 2075-2180, Copyright policy )
Authors: Konstantinos Papalamprou; Leonidas Pitsoulis;

doi: 10.4204/eptcs.4.4 , 10.48550/arxiv.0909.5033

arXiv: 0909.5033

Regular Matroids with Graphic Cocircuits

Abstract

We introduce the notion of graphic cocircuits and show that a large class of regular matroids with graphic cocircuits belongs to the class of signed-graphic matroids. Moreover, we provide an algorithm which determines whether a cographic matroid with graphic cocircuits is signed-graphic or not.

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Keywords

FOS: Computer and information sciences, Discrete Mathematics (cs.DM), Electronic computers. Computer science, QA1-939, QA75.5-76.95, Mathematics, Computer Science - Discrete Mathematics

  • BIP!
    Impact byBIP!
    selected citations
    These citations are derived from selected sources.
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 2
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    		 Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    		 Average
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Average
Average
Green
gold
Related to Research communities
The European University of Social Sciences