Babylonian Tower Theorems on the Punctured Spectrum.
Baker-Akhiezer modules on rational varieties.
Balanced projective dimension of modules
Bar-invariant bases of the quantum cluster algebra of type
We construct bar-invariant -bases of the quantum cluster algebra of the valued quiver , one of which coincides with the quantum analogue of the basis of the corresponding cluster algebra discussed in P. Sherman, A. Zelevinsky: Positivity and canonical bases in rank 2 cluster algebras of finite and affine types, Moscow Math. J., 4, 2004, 947–974.
Base Change Transitivity and Künneth Formulas for the Quillen Decomposition of Hochschild Homology.
Bases for integer-valued polynomials in a Galois field
Basic properties of h-regular local Noetherian rings
Basische Elemente in Steinschen Moduln.
Bass numbers and Golod rings.
Bemerkungen zu einem Satz von L. A. Skornjakov über projektive Abbildung von Moduln
Berechnung einiger Poincaré-Reihen
Betti numbers and the integral closure of ideals.
Betti numbers for the Hilbert function strata of the punctual Hilbert scheme in two variables.
Betti numbers of monoid algebras. Applications to 2-dimensional torus imbeddings.
Betti numbers of monomial ideals and shifted skew shapes.
Betti numbers of some circulant graphs
Let be the greatest odd integer less than or equal to . In this paper we provide explicit formulae to compute -graded Betti numbers of the circulant graphs . We do this by showing that this graph is the product (or join) of the cycle by itself, and computing Betti numbers of . We also discuss whether such a graph (more generally, ) is well-covered, Cohen-Macaulay, sequentially Cohen-Macaulay, Buchsbaum, or .
Bettireihen von Faserprodukten lokaler Ringe.
Bewertungen mit reeller Henselisierung.
Bifurcations in symplectic space
In this paper we take new steps in the theory of symplectic and isotropic bifurcations, by solving the classification problem under a natural equivalence in several typical cases. Moreover we define the notion of coisotropic varieties and formulate also the coisotropic bifurcation problem. We consider several symplectic invariants of isotropic and coisotropic varieties, providing illustrative examples in the simplest non-trivial cases.
Biliaisons élémentaires en codimension 2
Un théorème de Strano montre que si une courbe gauche localement Cohen-Macaulay n’est pas minimale dans sa classe de biliaison, elle admet une biliaison élémentaire strictement décroissante. R. Hartshorne a récemment donné une nouvelle preuve de ce résultat en le plaçant dans un contexte plus général. Dans cet article on apporte une précision, en utilisant les techniques introduites par Hartshorne : on montre que si un sous-schéma de codimension localement Cohen-Macaulay de n’est pas minimal...