For program workshop 6 – 10 March 2017, scroll down.
KK-theory, Gauge Theory and Topological Phases
Preliminary Program School @Snellius location
27 February – 3 March 2017
Monday 27 February
09:30 – 10:15
10:15 – 10:30
10:30 – 11:00
11:00 – 12:00
12:00 – 14:30
14:30 – 15:30
15:30 – 16:00
16:00 – 17:30
17:30 –
Registration, coffee and tea
Welcome by the Lorentz Center staff
Welcome and introduction by the organizers
Intro to KK-theory I – Siegfried Echterhoff
Lunch
Index theory I – Matthias Lesch
Coffee and tea break
Discussion section (Chair: Walter van Suijlekom)
Wine and Cheese Welcoming Party
Tuesday 28 February
09:30 – 10:30
10:30 – 11:00
11:00 – 12:00
12:00 – 14:30
14:30 – 15:30
15:30 – 16:00
16:00 – 17:30
Intro to KK-theory II – Siegfried Echterhoff
Coffee and tea break
Index theory II – Matthias Lesch
Lunch
Topological Phases I – Guo Chuan Thiang
Coffee and tea break
Discussion section (Chair: Steve Rosenberg)
Wednesday 1 March
09:30 – 10:30
10:30 – 11:00
11:00 – 12:00
12:00 – 14:30
14:30 – 15:30
15:30 – 16:00
16:00 – 17:00
18:30 –
Advances in KK-theory I – Jens Kaad
Coffee and tea break
Topological Phases II – Guo Chuan Thiang
Lunch
Index theory III – Ryszard Nest
Coffee and tea break
Discussion section (Chair: Matthias Lesch)
Dinner at Restaurant Olivier
Thursday 2 March
09:30 – 10:30
10:30 – 11:00
11:00 – 12:00
12:00 – 14:30
14:30 – 15:30
15:30 – 16:00
16:00 – 17:30
Topological Phases I – Chris Bourne
Coffee and tea break
Intro to KK-theory III – Siegfried Echterhoff
Lunch
Advances in KK-theory II – Jens Kaad
Coffee and tea break
Discussion section (Chair: Guo Chuan Thiang)
Friday 3 March
09:30 – 10:30
10:30 – 11:00
11:00 – 12:00
12:00 – 14:30
14:30 – 15:30
15:30 – 16:00
16:00 – 17:30
Topological Phases II – Chris Bourne
Coffee and tea break
Index theory II – Ryszard Nest
Lunch
Advances in KK-theory III – Jens Kaad
Coffee and tea break
Discussion section (Chair: Siegfried Echterhoff)
KK-theory, Gauge Theory and Topological Phases
Preliminary Program Workshop @Oort location
6 – 10 March 2017
Monday 6 March
09:30 – 10:00 Registration, office assignment and coffee and tea
Morning Session (Chair: Walter van Suijlekom)
10:00 – 10:15 Welcome by the Lorentz Center staff
10:15 – 10:30 Welcome and introduction by the organizers
10:30 – 11:15 Ralf Meyer – Classifying C*-algebras with extra structure up to equivariant KKequivalence
11:15 – 11:30 Questions / Discussion
11:30 – 14:00 Lunch
Afternoon Session (Chair: Ryszard Nest)
14:00 – 14:45 Bram Mesland – A category of correspondences for KK-theory
14:45 – 15:00 Questions / Discussion
15:00 – 15:45 Discussion Group
15:45 – 16:15 Coffee and tea break
16:15 – 17:00 Koen van den Dungen – Families of spectral triples and foliations of space(time)
17:00 – 17:15 Questions / Discussion
17:15 –
Wine and Cheese Welcoming Party
Tuesday 7 March
Morning Session (Chair: Johannes Kellendonk)
09:30 – 10:15 Francesca Arici – A NCG approach to quantum lattice gauge theories and their
continuum limit
10:15 – 10:30 Questions / Discussion
10:30 – 11:00 Coffee and tea break
11:00 – 11:45 Simon Brain – Gauge theory via the constructive Kasparov product
11:45 – 12:00 Questions / Discussion
12:00 – 14:00 Lunch
Afternoon Session (Chair: Giovanni Landi)
14:00 – 15:45 Discussion session I: “KK and gauge theory”
15:45 – 16:15 Coffee and tea break
16:15 – 17:00 Simone Cecchini – C*-algebras and positive scalar curvature
17:00 – 17:15 Questions / Discussion
Wednesday 8 March
Morning Session (Chair: Moulay Benameur)
09:30 – 10:15 Motoko Kotani – Mathematical challenge for a new phase of materials science
10:15 – 10:30 Questions / Discussion
10:30 – 11:00 Coffee and tea break
11:00 – 11:45 Johannes Kellendonk – Torsion valued pairing between K-theory and cyclic
cohomology for topological insulators
11:45 – 12:00 Questions / Discussion
12:00 – 14:00 Lunch
Afternoon Session (Chair: Francesca Arici)
14:00 – 14:45 Guo Chuan Thiang – Topological Fourier transforms and K-theory in physics
14:45 – 15:00 Questions / Discussion
15:00 – 15:45 Emil Prodan – A KK-Theoretic Framework for Topological Insulators
15:45 – 16:00 Questions / Discussion
16:00 – 16:30 Bus to the boat at Zijldijk 30 Leiderdorp
16:30 – 20:30 Boat tour with buffet dinner
20:30 – 21:00 Bus back to the Lorentz Center, Van der Valk hotel and Leiden Central Station
Thursday 9 March
Morning Session (Chair: Motoko Kotani)
09:30 – 10:15 Chris Bourne – Index theory of aperiodic lattices and topological phases
10:15 – 10:30 Questions / Discussion
10:30 – 11:00 Coffee and tea break
11:00 – 11:45 Jorrit Kruthoff – Topological classification of crystalline insulators through band
structure combinatorics
11:45 – 12:00 Questions / Discussion
12:00 – 14:00 Lunch
Afternoon Session (Chair: Ralf Meyer)
14:00 – 15:45 Discussion session I: “KK-theory and topological phases”
15:45 – 16:15 Coffee and tea break
16:15 – 17:00 Moulay Benameur – A gap-labelling conjecture for magnetic Schrödinger operators
17:00 – 17:15 Questions / Discussion
Friday 10 March
Morning Session (Chair: Bram Mesland)
09:30 – 10:15 Maxim Braverman – Callias-type operators in von Neumann algebras
10:15 – 10:30 Questions / Discussion
10:30 – 11:00 Coffee and tea break
11:00 – 11:45 Magnus Goffeng – Spectral triples on Cuntz-Pimsner algebras
11:45 – 12:00 Questions / Discussion
12:00 – 12:45 Valentin Zakharevich – Verlinde algebras for non-connected Lie Groups from
topological K-theory
12:45 – 13:00 Questions / Discussion
13:00 – 14:00 Lunch