Publicação: On a refinement of Craig's lattices
dc.contributor.author | Flores, Andre Luiz | |
dc.contributor.author | Interlando, J. Carmelo | |
dc.contributor.author | da Nobrega Neto, Trajano Pires [UNESP] | |
dc.contributor.author | Dantas Lopes, Jose Othon | |
dc.contributor.institution | San Diego State Univ | |
dc.contributor.institution | Universidade Federal de Alagoas (UFAL) | |
dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
dc.contributor.institution | Universidade Federal do Ceará (UFC) | |
dc.date.accessioned | 2014-05-20T14:02:51Z | |
dc.date.available | 2014-05-20T14:02:51Z | |
dc.date.issued | 2011-06-01 | |
dc.description.abstract | Let p be an odd prime. A family of (p - 1)-dimensional over-lattices yielding new record packings for several values of p in the interval [149... 3001] is presented. The result is obtained by modifying Craig's construction and considering conveniently chosen Z-submodules of Q(zeta), where zeta is a primitive pth root of unity. For p >= 59, it is shown that the center density of the (p - 1)-dimensional lattice in the new family is at least twice the center density of the (p - 1)-dimensional Craig lattice. (C) 2010 Elsevier B.V. All rights reserved. | en |
dc.description.affiliation | San Diego State Univ, Dept Math & Stat, San Diego, CA 92182 USA | |
dc.description.affiliation | Universidade Federal de Alagoas (UFAL), Dept Matemat, BR-57309005 Arapiraca, AL, Brazil | |
dc.description.affiliation | Univ Estadual Paulista, Dept Matemat, BR-15054000 Sao Jose do Rio Preto, SP, Brazil | |
dc.description.affiliation | Universidade Federal do Ceará (UFC), Dept Matemat, BR-60455760 Fortaleza, Ceara, Brazil | |
dc.description.affiliationUnesp | Univ Estadual Paulista, Dept Matemat, BR-15054000 Sao Jose do Rio Preto, SP, Brazil | |
dc.description.sponsorship | Fundação para o Desenvolvimento da UNESP (FUNDUNESP) | |
dc.description.sponsorshipId | FUNDUNESP: CCP 1649/09 | |
dc.format.extent | 1440-1442 | |
dc.identifier | http://dx.doi.org/10.1016/j.jpaa.2010.09.004 | |
dc.identifier.citation | Journal of Pure and Applied Algebra. Amsterdam: Elsevier B.V., v. 215, n. 6, p. 1440-1442, 2011. | |
dc.identifier.doi | 10.1016/j.jpaa.2010.09.004 | |
dc.identifier.issn | 0022-4049 | |
dc.identifier.uri | http://hdl.handle.net/11449/22142 | |
dc.identifier.wos | WOS:000287911100021 | |
dc.language.iso | eng | |
dc.publisher | Elsevier B.V. | |
dc.relation.ispartof | Journal of Pure and Applied Algebra | |
dc.relation.ispartofjcr | 0.720 | |
dc.relation.ispartofsjr | 1,269 | |
dc.rights.accessRights | Acesso restrito | |
dc.source | Web of Science | |
dc.title | On a refinement of Craig's lattices | en |
dc.type | Artigo | |
dcterms.license | http://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy | |
dcterms.rightsHolder | Elsevier B.V. | |
dspace.entity.type | Publication | |
unesp.campus | Universidade Estadual Paulista (UNESP), Instituto de Biociências, Letras e Ciências Exatas, São José do Rio Preto | pt |
unesp.department | Matemática - IBILCE | pt |
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