Advanced Knowledge Problem of the Week 4-30-19: Primitive Root and -1 [Number Theory]

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Problem of the Week 4-25-19: Divisors of a Power of 10 [Number Theory]

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Advanced Knowledge Problem of the Week 4-23-19: Solutions of Linear Polynomials [Number Theory]

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Problem of the Week 4-18-19: Find the Real Solution [Algebra]

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Advanced Knowledge Problem of the Week 4-16-19: A Strange Function [Real Analysis]

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Problem of the Week 4-11-19: Complex Roots of a Quartic [Algebra]

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Advanced Knowledge Problem of the Week 4-9-19: Maximizing an Integral [Calculus]

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New Video Series on Topology

      


This series describes some basic topology. We go over some basic definitions of what metric spaces and topological spaces are, basics properties of continuity of functions and the interior, exterior, and boundary of sets. We also talk about compactness and connectedness of sets, as well as quotients of sets and separability properties of sets.

Problem of the Week 4-4-19: An Algebraic Equation [Algebra]

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Advanced Knowledge Problem of the Week 4-2-19: Determinants of Real Valued Matrices [Linear Algebra]

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