Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Schwald, Martin"'
Autor:
Greb, Daniel, Schwald, Martin
In the spirit of the classical theory for K3 surfaces, we construct a Hausdorff fine moduli space for families of marked K3 surfaces over smooth rational curves in the K3 period domain. This moduli space admits an \'etale holomorphic map to the param
Externí odkaz:
http://arxiv.org/abs/2311.13420
Autor:
Schwald, Martin
In the definition of irreducible holomorphic symplectic manifolds the condition of being simply connected can be replaced by vanishing irregularity. We discuss finite quotients X of complex tori where the space of reflexive 2-forms is generated by a
Externí odkaz:
http://arxiv.org/abs/2003.06004
Autor:
Graf, Patrick, Schwald, Martin
Publikováno v:
Forum of Mathematics, Sigma 9 (2021) e24
Let $X$ be a normal compact K\"ahler space with klt singularities and torsion canonical bundle. We show that $X$ admits arbitrarily small deformations that are projective varieties if its locally trivial deformation space is smooth. We then prove tha
Externí odkaz:
http://arxiv.org/abs/2001.06339
A family of irreducible holomorphic symplectic (ihs) manifolds over the complex projective line has unobstructed deformations if its period map is an embedding. This applies in particular to twistor spaces of ihs manifolds. Moreover, a family of ihs
Externí odkaz:
http://arxiv.org/abs/1810.01031
Autor:
Graf, Patrick, Schwald, Martin
Publikováno v:
Arkiv for Matematik 58 (2020) no. 2, pp. 267-284
We discuss the Kodaira problem for uniruled K\"ahler spaces. Building on a construction due to Voisin, we give an example of a uniruled K\"ahler space $X$ such that every run of the $K_X$-MMP immediately terminates with a Mori fibre space, yet $X$ do
Externí odkaz:
http://arxiv.org/abs/1805.02277
Autor:
Schwald, Martin
Publikováno v:
Ãpijournal de Géométrie Algébrique, Volume 4 (June 19, 2020) epiga:4557
This paper concerns different types of singular complex projective varieties generalizing irreducible symplectic manifolds. We deduce from known results that the generalized Beauville-Bogomolov form satisfies the Fujiki relations and has the same ran
Externí odkaz:
http://arxiv.org/abs/1701.09069
Autor:
Schwald, Martin
If X is a complex projective variety with klt singularities, then the mixed Hodge structures on the first two singular cohomology groups are pure. We describe the pieces of the Hodge decomposition in terms of reflexive differential forms. Application
Externí odkaz:
http://arxiv.org/abs/1612.01919
Autor:
Graf, Patrick1 (AUTHOR) patrick.graf@uni-bayreuth.de, Schwald, Martin2 (AUTHOR) martin.schwald@uni-due.de
Publikováno v:
Forum of Mathematics, Sigma. 2021, Vol. 9, p1-15. 15p.
Publikováno v:
MATEC Web of Conferences, Vol 269, p 02001 (2019)
Magnetic arc deflection was applied to improve gas metal arc root welds on R260 pearlitic rail steel foot samples. During laboratory welding trials parameter optimization was carried out which comprised the welding current, voltage and speed, layer s
Externí odkaz:
https://doaj.org/article/fd4c6039bd174c9582a77c94436ef218
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