James Arthur (mathematician)
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| James Arthur | |
| Born | May 18, 1944 Canada |
|---|---|
| Fields | mathematics |
| Institutions | University of Toronto |
| Doctoral advisor | Robert Langlands |
| Known for | Arthur–Selberg trace formula Arthur conjectures |
James Greig Arthur (born May 18, 1944), is a Canadian-born mathematician and former President of the American Mathematical Society. He is currently in the Mathematics Department of the University of Toronto.
A pupil of Langlands, Arthur is known for the Arthur–Selberg trace formula, generalizing the Selberg trace formula from the rank-one case (due to Selberg himself) to general reductive groups, one of the most important tools for research on the Langlands program. He also introduced the Arthur conjectures.

