University of Cambridge > Talks.cam > Differential Geometry and Topology Seminar > Morse 2-functions and trisections of 4-manifolds

Morse 2-functions and trisections of 4-manifolds

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  • UserRob Kirby, Berkeley
  • ClockWednesday 31 October 2012, 16:00-17:00
  • HouseMR13.

If you have a question about this talk, please contact Ivan Smith.

In joint work with David Gay, we show existence and uniqueness of Morse 2-functions (also known as broken Lefschetz fibrations), and then existence and uniqueness (up to stabilization) of trisections of 4-manifolds (analogous to Heegaard splittings of 3-manifolds).

This talk is part of the Differential Geometry and Topology Seminar series.

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