Math 412 Differential Geometry

Spring 2003, Ed Bueler

Ed Bueler Contact:
Chapman 301C (Hours)  
elbueler@alaska.edu,   x7693

Time: TTh 3:40-5:10

Classroom: Chapman 107

Text: M. do Carmo, Differential Geometry of Curves and Surfaces

Syllabus
 
On Proving and Writing Proofs (PDF)
 
Ed's Weekly Schedule (Office Hours, etc.)
 
Advertisement


ON RESERVE IN RASMUSSEN (3 day checkout):
  • R. Osserman, Poetry of the Universe  [short bedtime reading paperback-- recommended !]
  • K. Thorne, Black Holes and Time Warps  [heavier but still no equations, lots of history of 1940--1980 black hole people]

LINKS:

 Schedule:

All solutions links are deliberately broken.  During the semester, solutions were available online and on paper.

Day

Topic and Section
Homework Assigned or Due
January
Th  1/16
Introduction.  Parameterized curves.  1-2
Assignment #1   (PDF)

T  1/21 Regular curves and arclength. Arclength parameterization.  1-3

Th  1/23 Vector (cross) product in R3.  1-4
Assignment # 1 Due.  
A#1 Solutions  (PDF)
Assignment # 2:
  1-3 Exercise # 10 (pages 7 - 11);
  1-4 # 1b, 3, 5, 7 (pp 14 - 16);
  1-5 # 1, 8a, 9 (pp 22 - 26).

T  1/28 Tidbits: conic sections, quadric surfaces, proof style.

Th  1/30 Curvature of curves in space.  1-5

February
T  2/4
Frenet frame and fundamental theorem of curves.  1-5
Assignment # 2 Due.
A#2 Solutions  (PDF)
Assignment # 3:
  1-5 # 2, 10, 11, 12acd [12b was done in class]  (pp 22 - 26);
  1-7 # 1, 3 [read four vertex theorem], 15a, 15b (pp 47 - 50).

Th  2/6 The isoperimetric inequality and the calculus of variations. 1-7

T  2/11 Proof of the isoperimetric inequality.  1-7
Assignment # 3 Due.
A#3 Solutions  (PDF)
Th  2/13
An introduction to surfaces.  2-2
Assignment # 4:
  2-2 # 1, 10, 16
  2-3 # 3
T  2/18
Regular surfaces and parameterization.  2-2

Th  2/20
Regular surfaces, cont.
Assignment # 5:
  2-2 # 6 [see in-class version of Prop. 2], 11a
  2-3 # 14, 15 [see definition of "regular curve" on page 75; a "regular curve" is different from a "regular parameterized curve," yes?]
T  2/25
Regular surfaces
Assignment #4 Due.
A#4 Solutions  (PDF)
Th  2/27
Change of parameters.  2-3

March
T  3/4
MIDTERM EXAM  In class.
MIDTERM EXAM:
One hour in class.  Be sure to get a copy of my handout "Regarding the Midterm", given in class on 2/27.
Th  3/6
Change of parameters.  2-3

T  3/11
The tangent plane. 2-4
Assignment #5 Due.
A#5 Solutions  (PDF)
Assignment # 6:
  2-4 # 1, 2, 9, 11
  2-5 # 1a, 1c, 1d, 5, 14a
Th  3/13
VIDEO: Not Knot
(Note Fri. 3/14 is last day for "W".)

Spring Break:
3/17 - 3/21


T  3/25
Area and the first fundamental form.  2-5

Th  3/27
Orientation and area.  2-6

April
T   4/1
Orientation, cont.  2-6
Assignment #6 Due.
A#6 Solutions  (PDF)
Assignment #7:
  2-6 # 3
  3-2 # 2, 8
  3-3 #1
Th  4/3
Definition of the Gauss map.  3-2

T  4/8
Gauss map cont. 3-2

Th  4/10
Self-adjoint 2x2 matrices; Ouside In

T  4/15
Gauss map in local coordinates 3-3
Assignment # 7 Due.
A#7 Solutions  (PDF)
Assignment #8  (PDF)
Th  4/17
3-3  curvature in local coordinates

T  4/22
3-3 meaning of curvature
3-5 minimal surfaces

Th  4/24
4-2 isometries

T  4/29
4-3 Gauss' great theorem
[& 4-4 geodesic curvature only]
Assignment # 8 Due.  FIRM DATE!
A#8 Solutions  (PDF)
Final Exam!!   (PDF)
May
Th  5/1
4-5 Gauss-Bonnet theorem, cont

T  5/6
HINTS SESSION
Regular class time and place: 3:40 -- 4:00pm, Chap 107.


Th  5/8
FINAL DUE 5:15pm at my office.

Download Adobe's Acrobat Reader for free to view PDF files.

doc info