Zobrazeno 1 - 10
of 47
pro vyhledávání: '"R, Villagrán"'
Publikováno v:
Trends in Mathematics ISBN: 9783030838225
Let \(\mathcal {K}_k\) be the family of connected graphs G whose sandpile groups have minimal number of generators equal to \(|G|-k-1\), where |G| is the number of vertices of G. We survey previous result on the characterization of \(\mathcal {K}_1\)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dda57992ea0b99e9b4d1b140ae22af7a
https://doi.org/10.1007/978-3-030-83823-2_91
https://doi.org/10.1007/978-3-030-83823-2_91
Autor:
Ralihe R. Villagrán, Carlos A. Alfaro
We compute the sandpile groups of families of planar graphs having a common weak dual by evaluating the indeterminates of the critical ideals of the weak dual at the lengths of the cycles bounding the interior faces. This method allow us to determine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d9bd154f9d5c179f35809915070ffbf
http://arxiv.org/abs/2005.01314
http://arxiv.org/abs/2005.01314
We give a characterization of the graphs with at most three trivial characteristic ideals. This implies the complete characterization of the regular graphs whose critical groups have at most three invariant factors equal to 1 and the characterization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::016a53a52685e30fd5059f75314c8ab0
http://arxiv.org/abs/2004.00172
http://arxiv.org/abs/2004.00172
Autor:
Carlos A. Alfaro, Ralihe R. Villagrán
Publikováno v:
Applied Mathematics and Computation. 398:126022
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e742a9a1245ed9b40ee60b1cdc7a3e1c
https://doi.org/10.1016/j.amc.2021.126022
https://doi.org/10.1016/j.amc.2021.126022
Autor:
Claudio R. Villagrán, Francisco José Berral, Pedro Carpintero, Claudio Oyarzo, Rony E. Silvestre
Publikováno v:
Journal of back and musculoskeletal rehabilitation. 27(2)
Although current research findings suggest that postural control or static balance is impaired in subjects with low back pain, few studies have specifically addressed the effect of low back pain on static balance in elite athletes. Forty-four athlete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::16053c21b22157434c0f59bbc9fa5460
https://pubmed.ncbi.nlm.nih.gov/23963269
https://pubmed.ncbi.nlm.nih.gov/23963269
Autor:
R, Enríquez, R, Villagrán
Publikováno v:
Revue scientifique et technique (International Office of Epizootics). 27(1)
Intensive abalone farming--specifically of the red abalone (Haliotis rufescens) and the green (or Japanese) abalone (Haliotis discus hannai)--has expanded rapidly in Chile since the late 1990s, and this article presents an overview of the challenges
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::7185ed67457b2ed94e037993e20b248f
https://pubmed.ncbi.nlm.nih.gov/18666482
https://pubmed.ncbi.nlm.nih.gov/18666482
Publikováno v:
Ginecologia y obstetricia de Mexico. 64
Evaluation of the characteristics of urogenital fistula with a retrospective study at the clinic of Urology Ginecologica in the Instituto Nacional de Perinatologia between March 1992 to June 1995, information of the location, etiopathogenesis of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::80e6f72e508b0c196711b952947fc1c3
https://pubmed.ncbi.nlm.nih.gov/8756196
https://pubmed.ncbi.nlm.nih.gov/8756196
Autor:
S, Rodríguez-Colorado, R, Villagrán, L, Escobar-Del Barco, S, Villalobos-Acosta, J, Kunhardt-Rasch, J, Delgado-Urdapilleta
Publikováno v:
Ginecologia y obstetricia de Mexico. 64
Postoperative acute urinary retention was evaluated in the patients who underwent Pereyra procedure. Comparison of suprapubic and urethral catheterization. Between January 1994 and July 1995, fifty two patients with urinary stress incontinence underw
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::369aa17f274afee12ec1c474cfed7699
https://pubmed.ncbi.nlm.nih.gov/8756195
https://pubmed.ncbi.nlm.nih.gov/8756195
Autor:
C, Neri-Méndez, F, Salas-González, S, Rodríguez-Colorado, R, Villagrán-Cervantes, J, Kunhardt-Rasch
Publikováno v:
Ginecologia y obstetricia de Mexico. 64
Urogenital prolapse in patients with urinary incontinence, was studied. Retrospective and analytic study was made in the Clínica de Urología Ginecológica del Instituto Nacional de Perinatología, 121 patients with urinary incontinence were include
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::42e873344575b8498d3ad998a5fba928
https://pubmed.ncbi.nlm.nih.gov/8925975
https://pubmed.ncbi.nlm.nih.gov/8925975
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