- Department of Mathematics
- University of Michigan, Ann Arbor
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- University of Washington’s
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- Oklahoma State University
- Oklahoma State University
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- Boston College
- Department of Mathematics
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- Department of Mathematics
- University of Michigan, Ann Arbor
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- California Institute of Technology
- Boston College
- Department of Mathematics
- Math Department
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- University of California at Berkeley
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- Georgia Institute of Technology
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- Palacký University Olomouc
- California Institute of Technology
- Department of Algebra and Geometry
- Department of Mathematics 253-37
- Princeton University
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- University of Wisconsin-Eau Claire
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