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14 papers · 1 filter
Log canonical thresholds of quasi-ordinary hypersurface singularities
Nero Budur, Pedro D. González-Pérez, Manuel González Villa
The log canonical thresholds of irreducible quasi-ordinary hypersurface singularities are computed, using an explicit list of pole candidates for the motivic zeta function found by…
Milnor Fibrations and the Thom Property for maps
Anne Pichon, José Seade
We prove that every map-germ ${f \bar g}: (\C^n,\0) {\to}(\C,0)$ with an isolated critical value at 0 has the Thom -property. This extends Hironaka's theorem for holo…
Hermitian structures on the derived category of coherent sheaves
José Ignacio Burgos Gil, Gerard Freixas i Montplet, Razvan Litcanu
The main objective of the present paper is to set up the theoretical basis and the language needed to deal with the problem of direct images of hermitian vector bundles for project…
Brauer group of moduli spaces of pairs
Indranil Biswas, Marina Logares, Vicente Muñoz
We show that the Brauer group of any moduli space of stable pairs with fixed determinant over a curve is zero.
Einstein-Hermitian connection on twisted Higgs bundles
Indranil Biswas, Tomas L. Gomez, Norbert Hoffmann +1
Let be a smooth projective variety over . We prove that a twisted Higgs vector bundle $(\calE\, ,θ)$ on admits an Einstein--Hermitian connection if and only if $…
Krull-tropical hypersurfaces
Fuensanta Aroca
The concepts of tropical-semiring and tropical hypersurface, are extended for an arbitrary ordered group. Then, we define the tropicalization of a polynomial with coefficients in a…