Browsing Preprints by Subject "MAT/03"

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Local moduli of semisimple Frobenius coalescent structures

Cotti, Giordano; Dubrovin, Boris; Guzzetti, Davide (SISSA, 2018-01)

There is a conjectural relation, formulated by the second author, between the enumerative geometry of a wide class of smooth projective varieties and their derived category of coherent sheaves. In particular, there is an ...
Symplectic instanton bundles on P3 and 't Hooft instantons

Bruzzo, Ugo; Markushevich, Dimitri; Tikhomirov, Alexander (arXiv:1312.5554 [math.AG], 2013-12)

We introduce the notion of tame symplectic instantons by excluding a kind of pathological monads and show that the locus $I^*_{n,r}$ of tame symplectic instantons is irreducible and has the expected dimension, equal to ...

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