181 citations
- Université Paris CitéFR24 papers
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- Laboratoire de Mathématiques Blaise PascalFR6 papers
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- Université de Picardie Jules VerneFR3 papers
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21 papers · 1 filter
Coniveau 2 complete intersections and effective cones
Claire Voisin
The goal of this paper is first of all to propose a strategy to attack the generalized Hodge conjecture for coniveau 2 complete intersections, and secondly to state a conjecture co…
Multi-Harnack smoothings of real plane branches
Pedro Daniel Gonzalez Perez, Jean-Jacques Risler
We introduce a new method for the construction of smoothings of a real plane branch by using Viro Patchworking method. Since real plane branches are Newton degenerated in…
Rationally connected -folds and symplectic geometry
Claire Voisin
We study the following question, asked to us By Pandharipande and Starr: Let be a rationally connected -fold, and be a compact Kaehler -fold symplectically equivalent…
Determinants of finite-dimensional algebras
Matthieu Romagny
To each associative unitary finite-dimensional algebra over a normal base, we associative a canonical multiplicative function called its determinant. We give various properties of…
Twisted Gromov-Witten r-spin potential and Givental's quantization
Alessandro Chiodo, Dimitri Zvonkine
The universal curve p:C->\Mbar over the moduli space \Mbar of stable r-spin maps to a target Kähler manifold X carries a universal spinor bundle L->C. Therefore the moduli space \M…
Quantum cohomology of minuscule homogeneous spaces III : semi-simplicity and consequences
Pierre-Emmanuel Chaput, Laurent Manivel, Nicolas Perrin
We prove that the quantum cohomology ring of any minuscule or cominuscule homogeneous space, specialized at q=1, is semisimple. This implies that complex conjugation defines an alg…