Math 3100 - Sequences and Series - Fall 2018

Lecture Notes


  • Preliminaries

Homework 1    (Due Monday the 20th of August)
Homework 1 with Solutions

  • Sequences

Sample Practice Questions 2  (with solutions)
Homework 2    (Due Wednesday the 29th of August)
 

Sample Practice Questions 3  (with solutions)

Homework 3    (Due Wednesday the 5th of September)


Sample Practice Questions 4  (with solutions)

Homework 4    (Due Monday the 17th of September)





  • Exam 1 Materials





  • Infinite Series
    • Summary (Overview of the results we will establish) 
    • Series on non-negative terms
      • Monotone Convergence Theorem on Series
      • Direct and Limit Comparison Tests
      • Cauchy Condensation and variations on p-series [* Proof of "Cauchy Condensation" is non-examinable]
      • Ratio Test (Calculus version)

Homework 5    (Due Monday the 1st of October)
Homework 5 with Solutions

    • Series with both positive and negative terms
      • Absolute convergence implies convergence (two proofs)
      • Alternating Series Test and the notion of Absolute and Conditional Convergence
      • The Ratio and Root Tests

Homework 6    (Due Friday the 5th of October)
Homework 6 with Solutions

    • The Integral Test, Euler's constant, and the sum of the alternating harmonic series   [* Proofs are non-examinable]
    • Rearrangements   [* Proofs are non-examinable]




  • Power Series and Continuity
    • Power Series
      • Radius and Interval of Convergence
      • Examples
    • Definition of Continuity
    • Sequential Characterization
      • Operations with continuous functions
      • Examples of discontinuous functions


Homework 7    (Due Friday the 12th of October)

Homework 7 with Solutions





  • Exam 2 Materials





  • Continuity and Differentiation
    • Continuity and the Intermediate and Extreme Value Theorems
    • Functional Limits (including the Sequential Characterization)
    • Differentiation
      • Interior Extrema Theorem
      • Rolle's Theorem and the (Generalized) Mean Value Theorem
      • L'Hopital's Rule (only proved the "0/0" case)


Homework 8    (Due Friday the 2nd of November)

Homework 8 with Solutions

  • Power Series and Taylor Series
    • Power Series can be differentiated (and integrated) term-by-term inside their radius of convergence 
           [* Only the proof that the original and differentiated series have the same radius of convergence is examinable]
    • Lagrangian Remainder Estimate for Maclaurin Series and Applications
    • Alternating Series Remainder Estimate
    • Examples

Homework 9    (Due Friday the 9th of November)

Homework 9 with Solutions





  • Exam 3 Materials




  • Uniform Convergence of Sequences and Series of Function
    • Pointwise and Uniform Convergence of Sequences of Functions
      • Examples
    • Uniform Convergence preserves Continuity
    • Uniform Convergence of Series of Functions
      • Cauchy Criterion for Uniform Convergence [and test for non-uniform convergence of series]
      • Weierstrass M-Test
      • Examples

Homework 10    (Due Monday the 3rd of December)

Homework 10 with Solutions





  • Final Exam Materials