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Marina Ratner 1938-2017

The Hebrew University and the Israeli mathematical community mourns the loss of Marina Ratner, eminent mathematician and Doctor Philosophiae Honoris Causa of the Hebrew University of Jerusalem. 
Marina Ratner was a former faculty member of the Hebrew University who taught at its Einstein Institute of Mathematics from 1971 until 1975. This followed her immigration to Israel from the former Soviet Union, where she had been a student of distinguished mathematician Yakov Sinai at Moscow State University. 
In 1975, Marina Ratner joined the University of California at Berkeley, rising to the position of Professor of Mathematics in 1982. During the 1980s and 1990s, Ratner developed techniques that enabled her to prove the now-celebrated Ratner rigidity theorems and, in particular, to give a striking proof of the important Raghunathan Conjecture. These landmark theorems are a basic pillar of the theory of homogeneous dynamics, with applicability to a broad spectrum of mathematical disciplines, and have inspired many subsequent developments in the field. Of particular note are the many deep and surprising applications of these rigidity theorems to number theory. 
Throughout her life, including the years when Soviet Jews experienced state-sanctioned anti-Semitism, Marina Ratner had been a committed advocate of Israel and the Jewish people, with her personal journey encapsulating some of the key events in contemporary Jewish history. She maintained warm relations with several generations of researchers at the Hebrew University’s Einstein Institute of Mathematics and has been steadfast in her support of Israeli mathematics. 
יהי זכרה ברוך 
Marina Ratner 1938-2017

Hebrew University is #11 Worldwide for Maths, Among Top 100 in 10 Subjects, Says Prestigious Shanghai Ranking


The Hebrew University of Jerusalem is the 11th best university in the world for Mathematics, according to the new "Global Ranking of Academic Subjects" for 2017, released by the Shanghai Ranking Consultancy, which rates universities worldwide.

As well as its high achievement in Mathematics, the Hebrew University was named in the top 50 in the world in three additional subjects: 39th worldwide in Communication, 40th in Political Sciences, and 46th in Economics.

The Hebrew University was among the top 75 in the world in three other subjects: Veterinary Sciences, Public Administration and Law.

The Hebrew University was among the top 100 in the world in three additional subjects: Agricultural Sciences, Biotechnology and Psychology.

In total, the Hebrew University was ranked in the top 100 worldwide in 10 different subjects; took first place in Israel in 18 subjects (sometimes tied with another institution); and was listed in 32 of the 52 subjects surveyed. The full results are available at

The Hebrew University's Einstein Institute of Mathematics, known for the exceptional standards of its mathematicians, is named for Albert Einstein -- a founder of the Hebrew University, who gave the university's first scientific lecture on Mount Scopus in 1923. In 2010, Prof. Elon Lindenstrauss at the Einstein Institute of Mathematics won the Fields Medal in Mathematics, regarded as the equivalent of the Nobel Prize in that field, for his achievements in the area of measure rigidity in ergodic theory and their applications to number theory.

The Global Ranking of Academic Subjects ranks universities in 52 subjects across five fields: Natural Sciences, Engineering, Life Sciences, Medical Sciences, and Social Sciences. In total, more than 4000 universities were ranked. The list was released by Shanghai Ranking Consultancy, which also publishes the annual "Academic Ranking of World Universities" and in 2009 also began to publish rankings by academic subjects.

Universities from the United States took the 32 top positions in 52 subjects, followed by 8 institutions from China (including Hong Kong) and 5 from The Netherlands. The best performing institution was Harvard, taking 15 top positions, followed by MIT, which topped 5 subjects.

The Hebrew University of Jerusalem, Israel’s leading academic and research institution, is ranked among the top 100 universities in the world. Founded in 1918 by visionaries including Albert Einstein and Sigmund Freud, the Hebrew University is a pluralistic institution where science and knowledge are advanced for the benefit of humankind. For more information, please visit


Hebrew University is #11 Worldwide for Maths, Among Top 100 in 10 Subjects, Says Prestigious Shanghai Ranking
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