## Seminari/Colloquia

Pagina 31

Date | Type | Start | End | Room | Speaker | From | Title |
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05/10/21 | Seminario | 14:30 | 15:30 | 1101 D'Antoni | Claudio Onorati | Tor Vergata | Geometry Seminar This talk is part of the activity of the MIUR Excellence Department Project MATH@TOV CUP E83C18000100006. |

28/09/21 | Seminario | 14:30 | 15:30 | 1101 D'Antoni | Rick Miranda | Colorado State University | Geometry Seminar This talk is part of the activity of the MIUR Excellence Department Project MATH@TOV CUP E83C18000100006. |

24/09/21 | Seminario | 14:00 | 15:00 | 1201 Dal Passo | Christian Gass | Uni Goettingen | Renormalization in string-localized field theories: a microlocal analysis |

22/09/21 | Seminario | 15:00 | 16:00 | 1201 Dal Passo | Wael Bahsoun | Loughborough | Map lattices coupled by collisions: chaos per lattice unit |

14/07/21 | Seminario | 16:00 | 17:00 | Maria Stella Adamo | Sapienza Università di Roma | Reflection positive representations and Hankel operators in the multiplicity free case
- In streaming mode - MS Teams link in the abstract This is joint work with K.-H. Neeb, J. Schober. This talk is part of the activity of the MIUR Excellence Department Project MATH@TOV CUP E83C18000100006. MS Teams link | |

30/06/21 | Seminario | 16:00 | 17:00 | Daniele Guido | Università di Tor Vergata | Noncommutative self-similar fractals as self-similar C*-algebras
- in streaming mode - link in the abstract After this purely topological definition, we endow the C*-algebra with a noncommutative Dirichlet form, and with a spectral triple. Both constructions parallel analogous construction for the SG. In particular, the spectral triple produces a noncommutative metric (Lip-norm) on the algebra, and allows the reconstruction of a canonical noncommutative integral and of the noncommutative Dirichlet form. This talk is part of the activity of the MIUR Excellence Department Project MATH@TOV CUP E83C18000100006. MS Teams link | |

25/06/21 | Seminario | 15:00 | 16:00 | Purdue University - USA | Online / Algebra & Representation Theory Seminar (O/ARTS) "Shifted Yangians and quantum affine algebras revisited" - in streaming mode - (see the
instructions in the abstract)A Yangians and finite W-algebras and have become a subject of renewed interest over the last five years due to their close relation to quantized Coulomb branches introduced by Braverman-Finkelberg-Nakajima. In the second part of the talk, I will try to convince that the case of antidominant shifts (opposite to what was originally studied in the work of Brundan-Kleshchev in type A and of Kamnitzer-Webster-Weekes-Yacobi in general type) is of particular importance as the corresponding algebras admit the RTT realization (at least in the classical types). In particular, this provides a conceptual explanation of the coproduct homomorphisms, gives rise to the integral forms of shifted quantum affine algebras, and also yields a family of (conjecturally) integrable systems on the corresponding Coulomb branches. As another application, the GKLO-type homomorphisms used to define truncated version of the above algebras provide a wide class of rational/trigonometric Lax matrices in classical types. This talk is based on the joint works with Michael Finkelberg as well as Rouven Frassek and Vasily Pestun. N.B.: please click HERE to attend the talk in streaming
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18/06/21 | Seminario | 15:00 | 16:00 | UNAM Oaxaca - Mexico | Online / Algebra & Representation Theory Seminar (O/ARTS) "Newton-Okounkov bodies for cluster varieties" - in streaming mode - (see the
instructions in the abstract)The theory of cluster varieties interacts beautifully with representation theory and algebraic groups. I will exhibit this connection by comparing GHKK's technology with known mirror symmetry constructions such as those by Givental, Baytev-Ciocan-Fontanini-Kim-van Straten, Rietsch and Marsh-Rietsch (joint work in progress with M. Cheung, T. Magee and A. Nájera Chávez). N.B.: please click HERE to attend the talk in streaming
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17/06/21 | Seminario | 16:00 | 17:00 | Mauro Artigiani | Universidad del Rosario (Colombia) | DinAmicI: Another Internet Seminar (DAI Seminar) Double rotations and their ergodic properties
- in streaming mode -
(see the instructions in the abstract)
Note:
The zoom link to the seminar will be posted on the DinAmicI website and on Mathseminars.org. Moreover, it will be also streamed live via the youtube DinAmicI channel.
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16/06/21 | Seminario | 16:00 | 17:00 | Nicola Pinamonti | Università di Genova |
Sine-Gordon fields with non vanishing mass on Minkowski spacetime and equilibrium states.
- in streaming mode - instructions in the abstract The talk is based on a joint work with D. Bahns and K. Rejzner [arxiv.org:2103.09328] This talk is part of the activity of the MIUR Excellence Department Project MATH@TOV CUP E83C18000100006. MS link |

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