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6 papers · 2 filters
Hyperkahler manifolds from the Tits-Freudenthal square
Atanas Iliev, Laurent Manivel
We suggest a way to associate to each Lie algebra of type G2, D4, F4, E6, E7, E8 a family of polarized hyperkahler fourfolds, constructed as parametrizing certain families of cycle…
Cycles, derived categories, and rationality
Asher Auel, Marcello Bernardara
Our main goal is to give a sense of recent developments in the (stable) rationality problem from the point of view of unramified cohomology and 0-cycles as well as derived categori…
Infinite algebraic subgroups of the real Cremona group
Maria Fernanda Robayo, Susanna Zimmermann
We give the classification of the maximal infinite algebraic subgroups of the real Cremona group of the plane up to conjugacy and present a parametrisation space of each conjugacy…
Orbifold Stability and Miyaoka-Yau Inequality for minimal pairs
Henri Guenancia, Behrouz Taji
After establishing suitable notions of stability and Chern classes for singular pairs, we use Kähler-Einstein metrics with conical and cuspidal singularities to prove the slope sem…
Haas' theorem revisited
Benoît Bertrand, Erwan Brugallé, Arthur Renaudineau
Haas' theorem describes all partchworkings of a given non-singular plane tropical curve giving rise to a maximal real algebraic curve. The space of such patchworkings is natura…
Motivic Realizations of Singularity Categories and Vanishing Cycles
A. Blanc, M. Robalo, B. Töen +1
In this paper we establish a precise comparison between vanishing cycles and the singularity category of Landau-Ginzburg models over a complete discrete valuation ring. By using no…