# This Week at Physics

## Theory Seminars (High Energy/Cosmology) |
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### Events During the Week of October 16th through October 23rd, 2016

### Monday, October 17th, 2016

**No events scheduled**### Tuesday, October 18th, 2016

**N=3 four dimensional field theories****Time:**3:30 pm**Place:**5280 Chamberlin**Speaker:**Diego Regalado, University of Munich**Abstract:**I will describe a class of four dimensional field theories constructed by quotienting ordinary N=4 U(N) SYM by particular combinations of R-symmetry and SL(2,Z) automorphisms. These theories appear naturally on the worldvolume of D3 branes probing terminal singularities in F-theory, where they can be thought of as non-perturbative generalizations of the O3 plane. I will focus on cases preserving only 12 supercharges, where the quotient gives rise to theories with coupling fixed at a value of order one. These constructions possess an unconventional large N limit described by a non-trivial F-theory fibration with base AdS5×(S5/Zk). Upon reduction on a circle the N=3 theories flow to N=6 ABJM theories.**Host:**Gary Shiu### Wednesday, October 19th, 2016

**No events scheduled**### Thursday, October 20th, 2016

**No events scheduled**### Friday, October 21st, 2016

**No events scheduled**