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The problems below appeared on qualifying examinations in the graduate mathematics program at the University of Hawaii at Manoa.

Click here to see a list of the topics covered.

Functions

  • elementary topology of \(ℝ^n\)

  • continuous functions

  • uniformly continuous functions

  • absolutely continuous functions

  • differentiability, implicit function theorem

  • functions of bounded variation, rectifiable curves

  • Borel functions

  • measurable functions

  • simple functions

  • relations between these classes, Lusin’s theorem

Integration

  • Lebesgue integral

  • Fatou’s lemma

  • monotone and dominated convergence theorems

  • applications to moving limits through integrals

  • differentiation under an integral sign

  • product measures, Fubini-Tonelli theorem

  • definition and completeness of \(L_p\) spaces

  • Riesz representation theorem

  • Lebesgue differentiation theorem

Convergence of functions

  • pointwise convergence

  • supremum norm, uniform convergence

  • convergence in measure

  • convergence in \(L_p\) spaces

  • relations between these notions, Egorov’s theorem

Inequalities

  • Chebyshev

  • Cauchy-Schwarz

  • Jensen

  • HΓΆlder

  • Minkowski (sum and integral forms)

Density

  • Weierstrass theorem, density of polynomials in \(L_p\) spaces

  • convolution with approximate identities

  • density of smooth functions in \(L_p\) spaces

Measure theory

  • Borel Οƒ-algebra, general Οƒ-algebras

  • construction of Lebesgue measure on Euclidean spaces

  • outer measures, counting measure, product measures

  • \(L_p\) spaces of a general measure space

  • absolute continuity of measures

  • Radon–Nikodym theorem



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Complex Analysis Exams

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