Real Analysis Topics

Schedule

  • Week 1 (May 20): Preliminary Review
    • Uniform convergence, M-Test
    • Nowhere density, Baire category, Heine Borel
    • Normed spaces
    • Series and sequences, convergence, small tails, limsup and liminf, Cauchy criteria for sums and integrals
    • Basic inequalities (triangle, Cauchy-Schwarz)
    • Tools from Calculus: MVT, Taylor’s theorem & remainder
    • Weierstrass approximation
    • Pathological functions and continuity
  • Week 2 (May 27): Measure Theory (Sets)
    • \(F_\sigma\) and \(G_\delta\) sets
    • Sigma algebras
    • Outer measure, Lebesgue measure
    • Continuity of measure
    • Borel-Cantelli
  • Week 3 (June 3): Integration 1:
    • Measurable Functions
    • Lebesgue integration, change of variables
    • Chebyshev’s inequality
    • Egorov, Lusin
    • Types of convergence: uniform, pointwise, a.e., in measure, in norm
  • Week 4 (June 10): Integration 2:
    • Convergence Theorems (Fatou, Monotone, Dominated)
    • Fubini-Tonelli and repeated integration
  • Week 5 (June 17): Fourier Analysis
    • The Fourier transform
    • Fourier series
    • Convolutions, approximations to the identity
    • Trigonometric series, density of trig polynomials
  • Week 6 (June 24): Functional Analysis 1
    • Banach and Hilbert Spaces, completeness
    • l^p and L^p
    • Holder
    • Duals, linear functionals, operator norm
  • Week 7 (July 1): Functional Analysis 2:
    • \(L^1\), \(L^2\), \(L^\infty\), Cauchy-Schwarz, Pythagoras for orthogonality
    • Function spaces
    • Plancherel, Parseval, Bessel, Riesz Representation
  • Week 8 (July 8): Abstract Measures
    • Radon-Nikodym

References

  • Topics

    • Convergence theorems for integrals, Borel measure, Riesz representation theorem
    • L space, Duality of L space, Jensen inequality
    • Lebesgue differentiation theorem, Fubini theorem, Hilbert space
    • Complex measures of bounded variation, Radon-Nikodym theorem.
    • Fourier series, Fourier transform, convolution.
    • Heat equation, Dirichlet problem, fundamental solutions
    • Central limit theorem, law of large numbers, conditional probability and conditional expectation.
    • Distributions, Sobolev embedding theorem.
    • Maximum principle.

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