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Indefinite Stein fillings and Pin(2)-monopole Floer homology
Geometry/Topology| Speaker: | Francesco Lin, Columbia |
| Related Webpage: | http://www.math.columbia.edu/~flin/ |
| Location: | 3106 MSB |
| Start time: | Tue, Nov 26 2019, 1:30PM |
We discuss some applications of Pin(2)-monopole Floer homology to the topology of Stein fillings of a given rational homology sphere; in particular, we show that under simple hypotheses one can provide severe restrictions on the intersection form of its Stein fillings which are not negative definite.