Results 21 to 26 of about 347 (26)

Normal crossing properties of complex hypersurfaces via logarithmic residues

open access: yes, 2014
We introduce a dual logarithmic residue map for hypersurface singularities and use it to answer a question of Kyoji Saito. Our result extends a theorem of L\^e and Saito by an algebraic characterization of hypersurfaces that are normal crossing in ...
Aleksandrov   +13 more
core   +1 more source

Testing Lipschitz non normally embedded complex spaces

open access: yes, 2018
We introduce a sectional criterion for testing if complex analytic germs $(X,0) \subset (\bC^n, 0)$ are Lipschitz non normally embedded.Comment: title changed; more introduction.
Denkowski, Maciej, Tibar, Mihai
core  

Lipschitz normal embedding among superisolated singularities

open access: yes, 2018
Any germ of a complex analytic space is equipped with two natural metrics: the outer metric induced by the hermitian metric of the ambient space and the inner metric, which is the associated riemannian metric on the germ.
Misev, Filip, Pichon, Anne
core   +3 more sources

Fundamental Domains in Lorentzian Geometry [PDF]

open access: yes, 2004
We consider discrete subgroups Gamma of the simply connected Lie group SU~(1,1), the universal cover of SU(1,1), of finite level, i.e. the subgroup intersects the centre of SU~(1,1) in a subgroup of finite index, this index is called the level of the ...
Pratoussevitch, Anna
core   +4 more sources

Gap conjecture for 3-dimensional canonical thresholds

open access: yes, 2008
We prove that the interval $(5/6, 1)$ contains no 3-dimensional canonical thresholds.Comment: 8 pages, latex, one reference is ...
Prokhorov, Yuri
core  

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