Improving the low-lying spectrum of the overlap kernel

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dc.contributor.authorKamleh, W.
dc.contributor.authorAdams, D.
dc.contributor.authorLeinweber, D.
dc.contributor.authorWilliams, A.
dc.contributor.organisationSpecial Research Centre for the Subatomic Structure of Matter
dc.date.issued2002
dc.descriptionCopyright © 2002 Published by Elsevier Science B.V. All rights reserved. Copyright © 2001. Submitted to Cornell University’s online archive www.arXiv.org in 2001 by Waseem Kamleh. Post-print sourced from www.arxiv.org.
dc.description.abstractThe action of the overlap-Dirac operator on a vector is typically implemented in directly through a multi-shift conjugate gradient solver. The compute-time this takes to evaluate depends upon the condition number $\kappa$ of the matrix that is used as the overlap kernel. We examine the low-lying spectra of various candidate kernels in an effort to optimise $\kappa$, thereby speeding up the overlap evaluation.
dc.description.statementofresponsibilityW. Kamleh, D. Adams, D. B. Leinweber and A. G. Williams
dc.description.urihttp://www.elsevier.com/wps/find/journaldescription.cws_home/505717/description#description
dc.identifier.citationNuclear Physics B - Proceedings Supplements, 2002; 109(1):81-85
dc.identifier.doi10.1016/S0920-5632(02)01394-4
dc.identifier.issn0920-5632
dc.identifier.orcidKamleh, W. [0000-0002-6177-5366]
dc.identifier.orcidLeinweber, D. [0000-0002-4745-6027]
dc.identifier.orcidWilliams, A. [0000-0002-1472-1592]
dc.identifier.urihttp://hdl.handle.net/2440/11060
dc.language.isoen
dc.publisherElsevier Science BV
dc.source.urihttps://doi.org/10.1016/s0920-5632(02)01394-4
dc.titleImproving the low-lying spectrum of the overlap kernel
dc.typeJournal article
pubs.publication-statusPublished

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