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Quasi-Complete Intersection Homomorphisms [PDF]

open access: bronzePure and Applied Mathematics Quarterly, 2013
Final version, to appear in the special issue of Pure and Applied Mathematics Quarterly dedicated to Andrey Todorov.
Luchézar L. Avramov   +2 more
core   +9 more sources

A remark on generalized complete intersections [PDF]

open access: yesNuclear Physics B, 2017
We observe that an interesting method to produce non-complete intersection subvarieties, the generalized complete intersections from L. Anderson and coworkers, can be understood and made explicit by using standard Cech cohomology machinery.
Alice Garbagnati, Bert van Geemen
doaj   +5 more sources

On cohomologically complete intersection modules [PDF]

open access: diamondHiroshima Mathematical Journal, 2021
Let \(I\) denote an ideal of a local ring \((R,\mathfrak{m})\). A finitely generated \(R\)-module \(M\) is called cohomologically complete intersection with respect to \(I\) if \(H^i_I(M)\) vanishes for all \(i \not= \operatorname{grade} (I,M)\), where \(H^i_I(M)\) denotes the \(i\)-th local cohomology module of \(M\) with respect to \(I\). This is the
Waqas Mahmood
openalex   +3 more sources

On Quasismooth Weighted Complete Intersections [PDF]

open access: greenJournal of Algebraic Geometry, 2009
We prove two conjectures on weighted complete intersections (cf. London Mathematical Society, Lecture Note Series, 281, Cambridge University Press, 2000, 101–173) and give the complete classification of threefold weighted complete intersections in weighted projective space that are canonically or anticanonically embedded.
Jheng-Jie Chen   +2 more
openalex   +4 more sources

Automorphisms of Weighted Complete Intersections [PDF]

open access: greenProceedings of the Steklov Institute of Mathematics, 2019
13 pages, compared to v1, unnecessary assumptions removed from the main theorem and the ...
Victor V. Przyjalkowski   +1 more
openalex   +4 more sources

Symmetric complete intersections [PDF]

open access: yesCommunications in Algebra, 2017
14 pages, includes referee's suggestions for publication in Communications in ...
Federico Galetto   +2 more
openaire   +2 more sources

Heterotic line bundle models on generalized complete intersection Calabi Yau manifolds

open access: yesJournal of High Energy Physics, 2021
The systematic program of heterotic line bundle model building has resulted in a wealth of standard-like models (SLM) for particle physics. In this paper, we continue this work in the setting of generalised Complete Intersection Calabi Yau (gCICY ...
Magdalena Larfors   +2 more
doaj   +1 more source

Continuité des racines d’après Rabinoff

open access: yesComptes Rendus. Mathématique, 2023
The content of this paper is a generalization of a theorem by Joseph Rabinoff: if $\mathscr{P}$ is a finite family of pointed and rational polyhedra in $N_\mathbb{R}$ such that there exists a fan in $N_\mathbb{R}$ that contains all the recession cones of
Marie, Emeryck
doaj   +1 more source

On the Stanley Depth of Powers of Monomial Ideals

open access: yesMathematics, 2019
In 1982, Stanley predicted a combinatorial upper bound for the depth of any finitely generated multigraded module over a polynomial ring. The predicted invariant is now called the Stanley depth. Duval et al.
S. A. Seyed Fakhari
doaj   +1 more source

Are complete intersections complete intersections?

open access: yesJournal of Algebra, 2012
A commutative local ring is generally defined to be a complete intersection if its completion is isomorphic to the quotient of a regular local ring by an ideal generated by a regular sequence. It has not previously been determined whether or not such a ring is necessarily itself the quotient of a regular ring by an ideal generated by a regular sequence.
Heitmann, Raymond C.   +1 more
openaire   +2 more sources

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