Slice knots (which bound a disk in the four-space) play important role both

in knot theory and in smooth four-dimensional topology. I will explain some of these

common points, recall a simple way to construct slice knots and focus on obstructions

of sliceness provided by knot Floer homology.

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We open ZOOM at 13.15 for virtual coffee and close ZOOM at 15.00

Join Zoom Meeting

https://cesnet.zoom.us/j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRUT09

Meeting ID: 995 9841 3922

Passcode: Galois

in knot theory and in smooth four-dimensional topology. I will explain some of these

common points, recall a simple way to construct slice knots and focus on obstructions

of sliceness provided by knot Floer homology.

-----------------------------------------------------------------------------------------------------------------------------------------------------------------

We open ZOOM at 13.15 for virtual coffee and close ZOOM at 15.00

Join Zoom Meeting

https://cesnet.zoom.us/j/99598413922?pwd=YXNFbk50aVhleXhWSGtISFViLytRUT09

Meeting ID: 995 9841 3922

Passcode: Galois