Homework set 7 is now posted to the Homework page. It is due at the start of class on Wednesday 17 November.

## Exam 1 solutions

See the Exams page to get Exam 1 solutions.

## HW 6: due Mon 8 Nov

See the Homework page for the Homework 6 assignment.

## Exam 1 statistics

## Homework 5 solutions

Homework 5 solutions are provided in the form of two files:

- 421f05hw5ans.pdf—solutions to #1–9
- StereographicProjection (HW 5#10).pdf

These solutions are available, as usual, on the Math 421 UDrive, whose log-in information was e-mailed to you earlier.

## Exam 1: Fri 29 Oct in class LGRT 219

Exam 1 will be held **during class**

**Friday 29 October
LGRT 219**

This will be a “closed-book” exam: you may *not *use a calculator or computer (so you may *not *use *Mathematica*), and you may *not *consult any reference materials (books, notes, or other paper ).

#### Coverage:

##### Textbook:

- Chapter 1—
*except*section 1.1 - Chapter 2—
*except*subsection 2.4.1 (The Riemann surface…) - Section 10.2—
*except*Theorem 10.3 and examples using it, and*except*subsection 10.2.1 - Chapter 3—sections 3.1–3.2 only

##### Homework: Sets 1–5

## Homework 4 solutions

Solutions to Homework 4 are available for download from the Math 421 U-drive folder.

For this set the solutions are in two non-overlapping files:

- For #1–3: 421f10hw4Ans1to3.pdf — an evaluated pdf version of the notebook 421f10hw4Ans1to3.nb;
- For #4–7: 421f10hw4ans4to7.pdf — a pdf file

## Homework 5 due Fri 22 Oct

Homework 5 is now posted on the Homework page. It is due in class Friday 22 October.

## Homework 4 due Wed 13 Oct

Homework 4 is now posted on the Homework page. It is due in class Wednesday 13 October.

## Get Homework 2 & 3 solutions

Solutions to Homeworks 2 and 3 are now available from the Math 421 UDrive. Use the access link that was mailed to you from there.

These solutions to each are available in two forms (where X is 2 or 3):

- 421f10hwXAns.nb — all solutions in a
*Mathematica*notebook you can evaluate. - 421f10hwXAnsEvaluated.pdf — a pdf version obtained after evaluating the notebook.