www.iip.ufrn.br

Fundamental Aspects of String Theory

Online Workshop | Monday, June 08, 2020 - Friday, June 12, 2020

Directors: Nathan Berkovits, Thiago Fleury, Ashoke Sen, Brenno Vallilo
Date Time Lecturers Name Lectures

Monday

June 08, 2020

09:00 am - 09:30 am

Yuji Okawa
Invited speaker

Tokyo University (Japan)

Gauge-invariant operators of open bosonic string field theory in the low-energy limit

09:30 am - 10:00 am

Hiroshige Kajiura
Invited speaker

Chiba University (Japan)

Wondering about an open-closed correspondence

10:00 am - 10:30 am

Hiroaki Matsunaga
Invited speaker

Prague, Institute of .Physics (Czech Republic)

Path-integral and quantum A_infinity structure of quantum field theory

10:30 am - 10:45 am

Coffee break/General discussion

10:45 am - 11:15 am

Ted Erler
Invited speaker

Department of Physics - UC Santa Barbara (United States of America)

Mapping between Witten and lightcone SFTs

11:15 am - 11:45 am

Harold Erbin
Invited speaker

Turin University, Alessandria and INFN, Turin (Italy)

Algebraic structures of effective string field theory

11:45 am - 12:00 pm

Coffee break/General discussion

12:00 pm - 12:30 pm

Matej Kudrna
Invited speaker

AVCR - Institute of Physics (Czech Republic)

SU(2) WZW model solutions in OSFT

12:30 pm - 01:00 pm

Jim Stasheff
Invited speaker

North Carolina University (United States of America)

Gauge field theory: deformations, obstructions and higher structure

Tuesday

June 09, 2020

09:00 am - 09:30 am

Hiroshi Kunitomo
Invited speaker

Kyoto University (Japan)

Tree-level S-matrix of superstring field theory

09:30 am - 10:00 am

Carlo Maccaferri
Invited speaker

Turin University. and INFN (Italy)

Classical solutions and background independence in OSFT

10:00 am - 10:30 am

Jakub Vosmera
Invited speaker

Prague, Institute of Physics and Charles University (Czech Republic)

New results on localizing SFT effective actions 1

10:30 am - 10:45 am

Coffee break/General discussion

10:45 am - 11:15 am

Nobuyuki Ishibashi
Invited speaker

Tsukuba University (Japan)

SFT for noncritical strings revisited

11:15 am - 11:45 am

Barton Zwiebach
Invited speaker

MIT, Cambridge, CTP (United States of America)

Hyperbolic string vértices 1

11:45 am - 12:00 pm

Coffee break/General discussion

12:00 pm - 12:30 pm

Mritunjay Verma
Invited speaker

INFN, Naples and Naples University (Italy)

Open-closed superstring field theory

12:30 pm - 01:00 pm

Ruggero Noris
Invited speaker

(Italy)

A simple solution for static backgrounds in cubic superstring field theory

Wednesday

June 10, 2020

09:00 am - 09:30 am

Toru Masuda
Invited speaker

ASCR (Czech Republic)

1/K in open string field theory

09:30 am - 10:00 am

Ivo Sachs
Invited speaker

Munich University - ASC (Germany)

Type II SUGRA from the spinning world line

10:00 am - 10:30 am

Dimitri Skliros
Invited speaker

Max-Planck Institute for Physics (MPI) (Germany)

A globally-defined gauge slice for moduli of super Riemann surfaces

10:30 am - 10:45 am

Coffee break/General discussion

10:45 am - 11:15 am

Anupam Mazumdar
Invited speaker

The University of Edinburgh (United Kingdom)

Resolution of singularities in infinite derivative gravity

11:15 am - 11:45 am

Lorenz Schlechter
Invited speaker

Max Planck Institute (Germany)

Bosonic string tachyon potentials from the N=1 point of view

11:45 am - 12:00 pm

Coffee break/General discussion

12:00 pm - 12:30 pm

Kevin Costello
Invited speaker

Perimeter Institute of Physics (Canada)

The Green- Schwarz string from 4d Chern-Simons

12:30 pm - 01:00 pm

Eduardo Casali
Invited speaker

UC, Davis, QMAP (United States of America)

Higher genus monodromy relations and color-kinematics

Thursday

June 11, 2020

09:00 am - 09:30 am

Alak Laddha
Invited speaker

Chennai Mathematical Institute (India)

TBA

09:30 am - 10:00 am

Oliver Schlotterer
Invited speaker

Uppsala University (Sweden)

Towards bases of worldsheet integrals for string amplitudes

10:00 am - 10:30 am

Leonardo Rastelli
Invited speaker

YITP, Stony Brook (United States of America)

TBA

10:30 am - 10:45 am

Coffee break/General discussion

10:45 am - 11:15 am

Shota Komatsu
Invited speaker

IAS (United States of America)

The boundary state from Wilson loops

11:15 am - 11:45 am

Xi Yin
Invited speaker

Harvard University (United States of America)

D-instanton calculus in c=1 string theory

11:45 am - 12:00 pm

Coffee break/General discussion

12:00 pm - 12:30 pm

Ashoke Sen
Invited speaker

Harish-Chandra Research Institute, HBNI (United States of America)

Divergent to complex amplitudes in two-dimensional string theory

12:30 pm - 01:00 pm

Albert Schwarz
Invited speaker

UC, Davis, QMAP (United States of America)

Scattering matrix and inclusive scattering matrix in QFT and string field theory

Friday

June 12, 2020

09:00 am - 12:00 am

Lionel Mason
Invited speaker

Oxford U., Inst. Math (United Kingdom)

Twistorial ambitwistor-strings: 1.Models

09:30 am - 10:00 am

Yvonne Geyer
Invited speaker

Institute for Advanced Study (United States of America)

Twistorial ambitwistor-strings: 2. Amplitude formulae

10:00 am - 10:30 am

Subhroneel Chakrabarti
Invited speaker

IMSc, Chennai and HBNI (India)

Scattering of massive states in pure spinor formalism

10:30 am - 10:45 am

Coffee break/General discussion

10:45 am - 11:15 am

Sitender Pratap Kashyap
Invited speaker

Harish-Chandra Research Institute (India)

Construction of covariant vertex operators in the pure spinor formalism

11:15 am - 11:45 am

Osvaldo Chandia
Invited speaker

Adolfo Ibanez University (Chile)

The pure spinor b ghost in curved backgrounds

11:45 am - 12:00 pm

Coffee break/General discussion

12:00 pm - 12:30 pm

Tim Adamo
Invited speaker

Higgs Centre for Theoretical Physics (United Kingdom)

Scattering in chiral strong backgrounds

12:30 pm - 01:00 pm

Renann Lipinski Jusinskas
Invited speaker

Prague, Institute of. Physics (Czech Republic)

Chiral strings, the sectorized description and their integrated vertex operators