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Speaker:  Rıza Seçkin Adalı (University of Oslo)


Title: Singularities of Restriction Varieties in OG(k,n)


Abstract: Restriction varieties in the orthogonal Grassmannian are subvarieties of OG(k, n) defined by rank conditions given by a flag that is not necessarily isotropic with respect to the relevant symmetric bilinear form. In particular orthogonal Schubert varieties are examples of restriction varieties. In this talk, I will describe a resolution of singularities for restriction varieties which is inspired by the Bott-Samelson/Zelevinsky resolution and describe their singular locus. I will also discuss the relation between the singular locus and the image of the resolution of singularities.

Ne Zaman: 
Cuma, 24 Mayıs, 2019 - 13:00 to 14:00

Fizik-Matematik Seminer Odası