I will discuss the construction of continuous solutions to the
incompressible Euler equations that exhibit local dissipation of
energy and the surrounding motivations. A significant open
question, which represents a strong form of the Onsager...
Joint work with Luc Hillairet (Orléans) and Emmanuel
Trélat (Paris). A 3D closed manifold with a contact
distribution and a metric on it carries a canonical contact form.
The associated Reeb flow plays a central role for the asymptotics
K3 surfaces have a rich geometry and admit interesting
holomorphic automorphisms. As examples of Calabi-Yau manifolds,
they admit Ricci-flat Kähler metrics, and a lot of attention
has been devoted to how these metrics degenerate as the Kähler
In modern representation theory we often study the category of
modules over an algebra, in particular its intrinsic and
combinatorial structures. Vice versa one can ask the question:
which categories have a given combinatorics? This is the
Given a family of Lagrangian tori with full quantum corrections,
the non-archimedean SYZ mirror construction uses the family Floer
theory to construct a non-archimedean analytic space with a global
superpotential. In this talk, we will first briefly...
Differential delay equations arise very naturally, but they are
much more complicated than ordinary differential equations.
Polyfold theory, originally developed for the study of moduli
spaces of pseudoholomorphic curves, can help to understand...
A central problem in low-dimensional topology asks which
homology 3-spheres bound contractible 4-manifolds and homology
4-balls. In this talk, we address this problem for plumbed
3-manifolds and we present the classical and new results
This is intended to complement the recent talk of Pham Huu Tiep
in this seminar but will not assume familiarity with that talk. The
estimates in the title are upper bounds of the form |?(g)|??(1)?,
where ? is irreducible and ? depends on the size of...