Recent and upcoming talks by Sebastien Vasey

Large Cardinals and Strong Logics: September 5 through December 16

Dear colleague, We would like to inform you about the forthcoming CRM Intensive Research Program on Large Cardinals and Strong Logics, to be held from September 5 to December 16, 2016. continue reading…

Sebastien Vasey: A proof of Shelah’s eventual categoricity conjecture in universal classes

Sebastien Vasey will discuss his solution to Shelah’s categoricity conjecture for universal AECs. Unlike previous approximations, this is without additional model theoretic or set-theoretic assumptions, the proof is entirely in ZFC. continue reading…

Sebastien Vasey: Independence in abstract elementary classes

Mathematical logic seminar – April 28, 2015 Time:     12:30 – 13:30 Room:     Wean Hall 8201 Speaker:         Sebastien Vasey Department of Mathematical Sciences CMU Title:     Independence in abstract elementary classes Abstract: Forking is one of the central notion of modern model theory. continue reading…

Sebastien Vasey: Chains of saturated models in Abstract Elementary Classes

Model Theory Seminar   Sebastien Vasey (joint work with Will Boney)   CMU Title:   Chains of saturated models in Abstract Elementary Classes, Part 1 Abstract:   Fix a first-order theory $T$ and a cardinal $\lambda > |T|$. continue reading…

Model Theory Seminar on Monday 11/3/2014 and 11/17/2014

Sebastien Vasey will continue talking on his infinitely long paper, delivering parts 4 and 5: ——————————————————— Model Theory Seminar Sebastien Vasey Carnegie Mellon Title: Infinitary stability theory, part IV Abstract: In 1990, Makkai and Shelah studied the class of models of an $L_{\kappa, \omega}$ sentence, where $\kappa$ is strongly compact. continue reading…

Sebastien Vasey: Infinitary stability theory

Model Theory Seminar   Sebastien Vasey   Carnegie Mellon Title:   Infinitary stability theory, part I Abstract:   In 1990, Makkai and Shelah studied the class of models of an $L_{\kappa, \omega}$ sentence, where $\kappa$ is strongly compact. continue reading…

Sebastien Vasey: Quasiminimal structures and excellence

  Here is information about near  future model theory seminars.  If you are interested to speak or have suggestions for speakers please contact me.  Further information can be found on http://www.math.cmu.edu/math/modeltheoryseminars/modeltheoryseminars.php ================================= Model Theory Seminar   Sebastien Vasey   Carnegie Mellon University Title:  Quasiminimal structures and excellence. continue reading…