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Center for the Theory of Interactive Computation



CTIC is a Sino-Danish research center that starts operations on April 1st, 2011. The center is a three-year collaboration between the Computer Science Department at Aarhus University, Denmark and ITCS, Tsinghua University, Beijing, China. Center leaders are Andrew Chi-Chih Yao, Tsinghua, and Peter Bro Miltersen, Aarhus.

The focus areas of the center are computational complexity theory, cryptography, quantum information theory, and algorithmic game theory.

CTIC Center website


Book release on Multiparty Computation

2015.09.30Ivan Damgård, Jesper Buus Nielsen, Aarhus University, and Ronald Cramer, Leiden University, have released a book at Cambridge University Press on Secure Multiparty Computation and Secret Sharing.

Researchers at CTIC got 3 papers accepted at IJCAI 15

2015.04.21Peter Bro Miltersen, Simina Branzai, Branislav Bosansky, Aris Filos-Ratsikas and Søren Kristoffer Still Frederiksen are all among the CTIC researchers that got 3 papers accepted at the IJCAI 2015 conference.

CTIC researcher Ivan Damgård has been awarded the RSA conference 2015 award for excellence in the field of mathematics

2015.03.19Professor Ivan Damgård has been selected as the winner of the prestigious RSA Conference 2015 Award for Excellence in the Field of Mathematics for his outstanding pioneering studies of cryptographic hash functions.

Two Post Docs from CTIC Aarhus are going to visit CTIC China

2015.03.18During the month of April Post Docs Simina Branzai and Bransilav Bosansky will travel to China for a research visit at the CTIC center at IIIS, Tsinghua University.  We wish Simina and Branislav a productive stay in China. 

CITC will have 3 exchange students from Tsinghua during the spring semester

2015.01.14As a part of the CTIC project between Tsinghua University, China and Dept. of Computer Science, Aarhus University we are welcoming 3 Chinese exchange students. The students are a part of IIIS at Tsinghua and are going to take graduate courses during their stay at the department.  We look forward to welcoming them at CTIC Aarhus

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Upcoming Events @ CTIC

Project website

Chinese center leader

Chinese center leader Andrew Chi-Chih Yao, Tsinghua University, China



Associated people

Financed by

The Danish National Research Foundation



Grant for CS activities

15.000.000 DKK