Results 1 to 10 of about 1,097 (29)
Breastfeeding education, early skin-to-skin contact and other strong determinants of exclusive breastfeeding in an urban population: a prospective study [PDF]
BMJ Open, 2021 Objective The current study aims to demonstrate independent associations between social, educational and health practice interventions as determinants of exclusive breastfeeding in an urban Ecuadorian population.Design Prospective survival analyses ...
Iván Dueñas-Espín +11 more
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Homological and combinatorial aspects of virtually Cohen–Macaulay sheaves
Transactions of the London Mathematical Society, 2021 When studying a graded module M over the Cox ring of a smooth projective toric variety X, there are two standard types of resolutions commonly used to glean information: free resolutions of M and vector bundle resolutions of its sheafification.
Christine Berkesch +3 more
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Lim Ulrich sequences and Boij-Söderberg cones
Forum of Mathematics, Sigma, 2023 This paper extends the results of Boij, Eisenbud, Erman, Schreyer and Söderberg on the structure of Betti cones of finitely generated graded modules and finite free complexes over polynomial rings, to all finitely generated graded rings admitting linear ...
Srikanth B. Iyengar +2 more
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A note on minimal resolutions of vector–spread Borel ideals
Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2023 We consider vector–spread Borel ideals. We show that these ideals have linear quotients and thereby we determine the graded Betti numbers and the bigraded Poincaré series.
Crupi Marilena, Ficarra Antonino
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Burnout syndrome and educational quality
Revista Arbitrada Interdisciplinaria Koinonía, 2019 A type of correlational research was implemented in order to meet the objective of determining the relationship between burnout syndrome and educational quality in educational institutions in the city of Manta - Ecuador.
José Galdino Burgos Briones +2 more
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On the binomial edge ideals of block graphs
Analele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2016 We find a class of block graphs whose binomial edge ideals have minimal regularity. As a consequence, we characterize the trees whose binomial edge ideals have minimal regularity.
Chaudhry Faryal +2 more
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Extension Groups for DG Modules [PDF]
, 2016 Let $M$ and $N$ be differential graded (DG) modules over a positively graded commutative DG algebra $A$. We show that the Ext-groups $\operatorname{Ext}^i_A(M,N)$ defined in terms of semi-projective resolutions are not in general isomorphic to the Yoneda
Nasseh, Saeed, Sather-Wagstaff, Sean
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Support and injective resolutions of complexes over commutative rings
, 2010 Examples are given to show that the support of a complex of modules over a commutative noetherian ring may not be read off the minimal semi-injective resolution of the complex.
Chen, Xiao-Wu, Iyengar, Srikanth B.
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A short proof of the Hanlon-Hicks-Lazarev Theorem
Forum of Mathematics, SigmaWe give a short new proof of a recent result of Hanlon-Hicks-Lazarev about toric varieties. As in their work, this leads to a proof of a conjecture of Berkesch-Erman-Smith on virtual resolutions and to a resolution of the diagonal in the simplicial case.
Michael K. Brown, Daniel Erman
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Linear syzygies, flag complexes, and regularity
, 2014 We show that for every positive integer R there exist monomial ideals generated in degree two, with linear syzygies, and regularity of the quotient equal to R. Such examples can not be found among Gorenstein ideals since the regularity of their quotients
Constantinescu, Alexandru +2 more
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