Dror Bar-Natan: Classes: 2003-04: Math 157 - Analysis I: (79) Next: The Cosmopolitan Integral
Previous: Class Notes for Thursday February 12, 2004

Homework Assignment 20

Assigned Tuesday February 24; due Friday March 5, 2PM, at SS 1071

This document in PDF: HW.pdf

Required reading. The appendix ``The Cosmopolitan Integral'' of Spivak's Chapter 19, and Spivak's Chapter 20 up to the end of the proof of Theorem 2.

To be handed in. From Spivak's Chapter 19: 21a, 39. From the appendix to Spivak's Chapter 19: 11, 13.

Recommended for extra practice. From Spivak's Chapter 19: 17, 21b, 24, 33. From the appendix to Spivak's Chapter 19: 2.

Just for fun. When a wire is hanging between two poles, why is what you see the graph of y=cosh x?

Power lines sag with ice
Power lines sag with ice
.

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Dror Bar-Natan 2004-02-23