at the
American Institute of Mathematics, Palo Alto, California
organized by
John P. D'Angelo and Peter Ebenfelt
This workshop, sponsored by AIM and the NSF, will focus on the evolving notion of complexity in CR Geometry.
The basic set-up considers real hypersurfaces in complex Euclidean spaces of different dimensions and the collection of CR maps between them. Many of the ideas apply when the hypersurfaces are spheres or hyperquadrics, and hence we mention some of the issues in this situation.
Given the number of positive and negative eigenvalues (signature pair) of the source and target hyperquadrics (and hence their dimensions), what can we say about the CR mappings between them? For example, if the mappings are assumed or known to be rational, can we give a sharp upper bound for the degree? What rigidity results hold, and how are they related to the signature pairs? If the source manifold is the sphere, and the mappings are assumed to be invariant under a finite subgroup of the unitary group, then how do the group and its unitary representation influence the complexity? How are these ideas connected with number theory? How are these ideas connected with the differential geometry and topology of the CR manifolds?
The main topic of the workshop will thus be a part of CR Geometry. More specifically the workshop aims to unify and clarify developing notions of complexity for CR mappings and to apply them to other problems, both in CR Geometry and in other areas of mathematics.
The workshop will differ from typical conferences in some regards. Participants will be invited to suggest open problems and questions before the workshop begins, and these will be posted on the workshop website. These include specific problems on which there is hope of making some progress during the workshop, as well as more ambitious problems which may influence the future activity of the field. Lectures at the workshop will be focused on familiarizing the participants with the background material leading up to specific problems, and the schedule will include discussion and parallel working sessions.
The deadline to apply for support to participate in this workshop has passed.
For more information email workshops@aimath.org
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