Workshop Information

Monday, March 28th to Friday, April 1st, 2016

This workshop, taking place at the Institute for Advanced Study, in Princeton, NJ, will explore interactions between Thin Groups and SuperApproximation, with applications to Geometry and Arithmetic. The talks and mini-courses will be aimed at graduate students, with the hope of providing background for the central topics, and arming the participants with the tools necessary to carry out research in these diverse areas.


The workshop is organized by Alex Kontorovich (Rutgers/IAS), Darren Long (UCSB), Alex Lubotzky (HUJI), and Alan Reid (UT Austin/IAS).


Jean Bourgain, Elena Fuchs, Alex Kontorovich, Darren Long, Alex Lubotzky, Chen Meiri, Amir Mohammadi, Kei Nakamura, Hee Oh, Alan Reid, Alireza Salehi Golsefidy, Peter Sarnak, T.N. Venkataramana.


Click here


Due to limited capacity, attendance is restricted to registered participants.

To register, please Click here

If you have any problems with registration or other practical questions, please write to

Note: The workshop is located at IAS but organized by the Rutgers staff. Please do not contact the IAS staff with questions about this workshop.

Meals: (Cash only, no checks, credit or debit cards accepted)

Registration for the meals and workshop are required. (Speakers do not need to register.)

Although there is no registration fee, because seating is limited both in the seminar room and in the IAS dining hall, all wishing to attend any part of the workshop are required to register. In addition, in order for the IAS dining hall to prepare enough food, we need to have a headcount for the meals. Please note the workshop attendees are expected to pay for their lunch. Approximate range of prices are 4.00 for a salad to 9.00 for an entree. Vegetarian lunches will be available.

Transportation and Housing:

Information regarding transportation and accommodations in the Princeton area can be found at Please note that if you are staying on Route 1 you should inquire whether the hotel has a shuttle service to and from the IAS.

Participant Funding:

Funds are available to support participation by graduate students and early career scientists. To apply for funding, please follow the instructions on the Registration Page. Funding applications should be received by January 1st 2016 for full consideration.


This workshop gratefully acknowledges support from the organizers' NSF FRG grant, DMS-1463940, from Rutgers University, and from the Institute for Advanced Study.

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