Department of Mathematics - College of Natural Sciences Colorado State University

2013 Arne Magnus Lecture Series

2014 Arne Magnus Lecture Series
Professor Alexander Lubotzky

Maurice and Clara Weil Chair of Mathematics
Einstein Institute of Mathematics
The Hebrew University of Jerusalem

The 2014 Magnus Lecture Series was recently held February 3-5, hosted by the Department of Mathematics. This year's guest speaker was Professor Alexander Lubotzky from The Hebrew University of Jerusalem. While visiting, Professor Lubotzky gave three impressive talks:

Public Lecture – February 4, 2014
Title: Real applications of non real numbers

Colloquium - February 5, 2014
Title: Ramanujan graphs and error correcting codes

Research Seminar – February 6, 2014
Title: From Ramanujan graphs to Ramanujan complexes

Brief Biography

Alex Lubotzky was born in 1956 in Ramat Gan, Israel. While still in high school, he began studying at Bar-Ilan University where he received his B.A. only one year after graduating from high school. He then participated in a special Israel Defense Force (IDF) academic program and received his Ph.D. in mathematics at the age of 23. After five years of military service as an officer in the IDF's research and development division he joined the Faculty of Mathematics at the Hebrew University of Jerusalem. Dr. Lubotzky was promoted to associate professor in 1985 and to full professor in 1989. He served as the head of the Department of Mathematics at The Hebrew University from 1994 until 1996.

Professor Lubotzky is the author of the book "Discrete Groups, Expanding Graphs and Invariant Measures," which received the highly acclaimed Ferran Sunyer L. Baloger prize for research books in mathematics in 1992. He received again the prize for his third book "Subgroups Growth" with Prof. D. Segal from Oxford. In addition, he was awarded numerous Israeli and foreign awards, including the Erdos Prize and the Rothchild Prize. He has served as visiting professor at Stanford, Chicago, Columbia and Yale Universities. He has authored more than 80 articles and serves as editor at six international scientific journals. In addition to this, Professor Lubotzky has published numerous articles in the Israeli press dealing with the peace process and the relationship between religion and state in Israel.

He lives with his wife and six children in the community of Efrat, of where he is a founding member.

His current mathematical cv can be viewed at:

The Arne Magnus Lectures are given annually in the Department of Mathematics at Colorado State University in honor of Dr. Arne Magnus, our friend and colleague for 25 years. The 2013 lectures were supported by the Arne Magnus Lecture Fund and the Albert C. Yates Endowment in Mathematics. Contributions to the Magnus Fund are greatly appreciated and may be made through the Department of Mathematics. Please contact Sheri Hofeling ( at (970)-491-7047 for specific details and information.

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