German Language
Robert Israel
  • Member for 5 years, 8 months
  • Last seen more than 5 years ago
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I'm an Emeritus Associate Professor of Mathematics at University of British Columbia.

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409
Is there another simpler method to solve this elementary school math problem?
156
Probability that 3 points in a plane form a triangle
142
Is there a "positive" definition for irrational numbers?
104
Slice of pizza with no crust
93
Is the product of symmetric positive semidefinite matrices positive definite?

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