Fall 2011 MATH 115 Functions of a Real Variable

 

 

MWF 10:10-50 am. Room: Herrin 185.

 

 

Instructor:

Isabelle Camilier

Room 383 FF (Math Building)

Email: camilier (at) stanford (dot) edu

 

Office hours:

Monday 11-12:30 and Tuesday 1-2:30 pm,

or by appointment. Please put 'MATH 115 your request' in the object of your email.


 

 

Course Assistant:

Alexandr Zamorzaev

Email: alzaor (at) math (dot) stanford (dot) edu

Office hours: Monday 1:30-3:30 pm and Tuesday 10-11 am.

Room: 380M.

 

Course Description

The development of real analysis in Euclidean space: sequences and series, limits, continuous functions, derivatives, integrals. Basic point set topology.

Textbook: Elementary Analysis: The Theory of Calculus by Kenneth A. Ross (Undergraduate Texts in Mathematics, Springer Verlag, 1980).

We cover sections 1,2,3,4,5,7,8,9,10,11,12,14,15,17,18,19,20,23,24,25,26,28,29,30,31,32,33,34

of the book.


 

Assignments

Homework (20%). There are 8 problem sets. No late homework but I drop the 2 lowest grades (only the 6 best grades count).

Midterm exam (30%) in class. Friday October 28. 10 a.m -noon ( 2 hours). Room 420-041 (not the usual room). Alternate time 9 a.m.-11 a.m.

Final exam (50%) in class.
Thursday December 15, 8:30-11:30 am. Room 380-380C (basement of math building).

 

 

 

Syllabus

Week 1 and 2: Introduction. Basic properties of sequences.

Week3: Monotone sequences. Cauchy sequences.

Week4: Series.

Week5: Series. Continuity.

Week6: Continuity. Uniform continuity. Limits of functions.

Week7: Uniform convergence of sequences of functions. Series of functions.

Week8: Integrals. Power series.

Week9: Differentiation. Taylor's Theorem.

Week10: Review.

 

 

Homework

HW1 Average: 18/20. Stdev 2.4.

HW2

 

 

 

 

Schedule

 

Topics

Textbook

Notes

Monday 09/26

Introduction. Mathematical induction.

1

Notes

Wednesday 09/28

Induction. Rational numbers.

2

Notes

Friday 09/30

Real numbers. Field properties. Triangle inequality

3

Notes

Monday 10/03

Real numbers, sup, inf

4,5

Notes

Wednesday 10/05

Real numbers. HW1 due

4,5

Notes

Friday 10/07

Sequences: definitions.

7,8

Notes

Monday 10/10

Sequences

8,9

Notes

Wednesday 10/12

Sequences. HW2 due

9

Notes

Friday 10/14

Sequences

10

Notes

Monday 10/17

Monotone sequences.

10

Notes

Wednesday 10/19

Sequences. limsup, liminf HW3 due

10,12

Notes

Friday 10/21

Sequences. Subsequences. Bolzano-Weierstrass.

11

Notes

Monday 10/24

Series

14,15

Notes

Wednesday 10/26

Midterm review.

17,20

 

Friday 10/28

Midterm exam.

 

 

Monday 10/31

Series

14,15

Notes

Wednesday 11/02

Series. Open intervals. HW4 due

15, 21

Notes

Friday 11/04

Limits. Continuity: definition.

20,17

Notes

Monday 11/07

Continuity

17

 

Wednesday 11/09

Continuity. HW5 due

17,18

 

Friday 11/11

Uniform continuity.

19

 

Monday 11/14

Uniform continuity. Sequences and series of functions.

19, 24

 

Wednesday 11/16

Convergence of power series. HW6 due

23

 

Friday 11/18

Uniform convergence, more on power series

24,25

 

Thanksgiving break

Monday 11/28

Power series. Integration of power series

26,

Notes

Wednesday 11/30

Integration. HW7 due

26, 32-34

Notes

Friday 12/02

Differentiation

28,29,30

Notes

Monday 12/05

Differentiation (of power series). TaylorÕs theorem.

26

Notes

Wednesday 12/07

Review. HW8 due

31

Notes

Friday 12/09

Review.

 

Notes

Thursday 12/15

Final exam. 8:30-11:30 am