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### Victor L. Shapiro Distinguished Lecture in Mathematics:

Dr. Jeffrey Lagarias

On May 29th Dr. Jeffrey Lagarias, Professor of Mathematics at the University of Michigan, will speak at the 2019 Victor L. Shapiro Distinguished Lecture in Mathematics at the UC Riverside Mathematics Department. Dr. Lagarias' talk will be "Addition versus Multiplication".

A tea service will begin at 3:40 p.m. The talk will begin at 4:10 p.m. and will be followed by a reception at 5:20 p.m. in Skye Hall 284.

Dr. Jeffrey Lagarias joined the faculty at the University of Michigan in 2004 and became the Harold Mead Distinguished University Professor in 2018. He earned his bachelor's, master's and, in 1974, his Ph.D. in mathematics from the Massachusetts Institute of Technology, where he was a Putnam Fellow in 1970. Prior to joining academia, he worked for AT&T Bell Laboratories.

Dr. Lagarias' training was in number theory. His research interests also include discrete geometry, dynamical systems, mathematical optimization, harmonic analysis, computational complexity and mathematical physics. He has authored more than 200 publications with more than 100 collaborators worldwide and has edited four books.

Dr. Lagarias is a Fellow of the American Mathematical Society (AMS), the Society for Industrial and Applied Mathematics (SIAM) and the American Association for the Advancement of Science (AAAS). His career honors include the AMS Levi Conant Prize in 2014, and the Mathematical Association of America (MAA) Paul R. Halmos-Lester R. Ford Award in 1986 and 2007.