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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Contributed Talk - The Sullivan-conjecture in complex dimension 4

## Contributed Talk - The Sullivan-conjecture in complex dimension 4Add to your list(s) Download to your calendar using vCal - Csaba Nagy (University of Melbourne)
- Thursday 06 December 2018, 16:00-16:30
- Seminar Room 1, Newton Institute.
If you have a question about this talk, please contact info@newton.ac.uk. HHHW04 - Manifolds The Sullivan-conjecture claims that complex projective complete intersections are classified up to diffeomorphism by their total degree, Euler-characteristic and Pontryagin-classes. Kreck and Traving showed that the conjecture holds in complex dimension 4 if the total degree is divisible by 16. In this talk I will present the proof of the remaining cases. It is known that the conjecture holds up to connected sum with the exotic 8-sphere (this is a result of Fang and Klaus), so the essential part of our proof is understanding the effect of this operation on complete intersections. This is joint work with Diarmuid Crowley. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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