Results 41 to 50 of about 1,506,998 (305)
Conflicts and future scenarios of land use in eastern Mexico
Forest Systems, 2022 Aim of study: To develop an analytical framework for analyzing and assessing the land-use changes and conflicts, based on low requirements of information and useful in developing countries.
Gabriel Chablé-Rodríguez +4 more
doaj +1 more source
The Weil algebra and the Van Est isomorphism [PDF]
, 2011 This paper belongs to a series of papers devoted to the study of the cohomology of classifying spaces. Generalizing the Weil algebra of a Lie algebra and Kalkman’s BRST model, here we introduce the Weil algebra W(A) associated to any Lie algebroid A.
Marius Crainic +9 more
core +2 more sources
Galois coverings of selfinjective algebras by repetitive algebras [PDF]
Transactions of the American Mathematical Society, 1999 In the representation theory of selfinjective artin algebras an important role is played by selfinjective algebras of the form B
Skowroński, Andrzej, Yamagata, Kunio
openaire +2 more sources
Commentarii Mathematici Helvetici, 1994 Let \(\Lambda\) be an associative unitary finite-dimensional \(\mathbb{C}\)-algebra which is representation finite. This means that the number of isomorphism classes of indecomposable finite-dimensional \(\Lambda\)-left modules is finite. Let us fix a set \(\mathcal F\) of representatives for these isomorphism classes. We showed [\textit{C. Riedtmann},
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Covering Algebras I. Extended Affine Lie Algebras
Journal of Algebra, 2002 Covering Algebras of extended affine Lie algebras(EALA's) relative to finite order automorphisms are studied. Conditions are given for when the resulting algebra is again an EALA. This paper deals with affinizations of EALA's relative to finite order automorphisms and these algebras are generalizations of the affine Kac-Moody Lie algebras.
Allison, Bruce +2 more
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Identities in the Algebra of Partial Maps [PDF]
, 2005 We consider the identities of a variety of semigroup-related algebras modelling the algebra of partial maps. We show that the identities are intimately related to a weak semigroup deductive system and we show that the equational theory is decidable.
Marcel Jackson +3 more
core +1 more source
Coverings of laura algebras: The standard case
Journal of Algebra, 2010 The main result on the non-standard case was reformulated due to an inaccuracy in the previous version. Lemma 6.1 was removed due to a simplification. The last section on the special biserial case was removed. Typos corrected and bibliography updated.
Assem, Ibrahim +2 more
openaire +4 more sources
Vector fields on nonorientable surfaces
International Journal of Mathematics and Mathematical Sciences, 2003 A one-to-one correspondence is established between the germs of functions and tangent vectors on a NOS X and the bi-germs of functions, respectively, elementary fields of tangent vectors (EFTV) on the orientable double cover of X.
Ilie Barza, Dorin Ghisa
doaj +1 more source
Computer Assisted Methods in Engineering and Science, 2020 This paper presents the application of affine numbers to determine the time of concrete cover cracking in reinforced concrete elements from the initiation of the reinforcement corrosion. This issue is crucial for evaluating sustainability and durability
Tomasz Krykowski
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Organic Materials of Tomorrow: Horizons of Artificial Intelligence
Advanced Materials, EarlyView.This review examines machine learning techniques accelerating the discovery of organic semiconductors by linking molecular structure to properties. Key methods include graph neural networks, generative models, and active learning. Applications to organic photovoltaics demonstrate practical impact.
Harold Mena +3 more
wiley +1 more source