Collaborative Research: Geometric and Analytic Properties of Discrete Groups--A Focused Research Group on the Novikov Conjecture and the Baum-Connes Conjecture

Project: Research project

Project Details



The Novikov conjecture is one of the fundamental unsolved problems of manifold theory.

Its history is a fascinating journey through a remarkably varied mathematical landscape.

The conjecture has provoked vigorous exchanges of ideas between widely separated subjects,

and (like other famous unsolved problems) it has generated lively new mathematics of its

own. The Baum Connes conjecture transports the fundamental aspects of the Novikov

conjecture to operator algebra theory, and makes new contacts with representation theory,

spin geometry and other areas.

Very recently, striking progress has been made on the both conjectures. Methods and ideas

involving dimension theory, amenable actions of groups, Banach space geometry and combinatorics have played essential roles. An unusually exciting opportunity has arisen to

spark interaction among some quite widely separated fields. Some of the core questions are so

basic that one can even expect important exchanges at the student level. The issues are so

broad that the ordinary mathematical scheme of small, two or three person, collaborative

efforts will not give the most rapid and efficient progress.

The key objectives of the proposed program are as follows:

Marshall forces from topology, analysis and from several less apparent areas for a general

attack on the Novikov and Baum Connes conjectures.

Create a rapid and effcient means of providing the essential tools for continuing research

in this broad area.

Broaden the communication and cooperation between US and foreign mathematicians

through a coordinated program of visits.

Offer effective training opportunities for graduate students, giving them exposure to an

unusual breadth of mathematical ideas and expertise.

Effective start/end date9/1/008/31/05


  • National Science Foundation: $207,303.00


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