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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 \(β^n\)
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, Lusinβs theorem
Integration
Lebesgue integral
Fatouβs 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, Egorovβs 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 Ο-algebra, general Ο-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
RadonβNikodym theorem
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