Links:
L-functions
and
Automorphic forms (Goldfeld Fest)
(Conference
photos)
Joint
COLUMBIA-CUNY-NYU Number Theory Seminar
Braid
Group Cryptography
Bretton
Woods
Workshop on Multiple Dirichlet Series(2005)
(Conference
photos)
Edinburgh
Workshop
on Multiple Dirichlet Series(2008)
Decision
Regarding World Record Musky Challenge
My Daughter's art
work (including my portrait above)
Some
Interesting
Chemistry
Very
accurate
clock
TEACHING, SPRING 2012
Mathematics
V3025, MAKING, BREAKING CODES
Day/Time: TR 11:00am-12:15pm Location:
203 Mathematics Building
Textbook:
Introduction to
Cryptography with Coding Theory
(Second Edition)
by Wade Trappe
and Lawrence Washington.
TA's:
Luis Garcia:
lgarcia@math.columbia.edu
Help Room: Math 406 on Mondays 10-11am
and Tuesdays 4-6pm
Tim
Heath:
timheath@math.columbia.edu
Help Room: Math 406 on Wednesdays
1-4pm
EXAM 1: Thursday, February
16 (20% of total grade for
this course)
Exam1a-Solutions
Exam1b-Solutions
EXAM 2:
Thursday, March 29 (20% of
total grade for this course)
Exam2-Solutions
FINAL
EXAM: Tuesday, May
8, 9:00a.m. - 12:00p.m. (35% of
total grade for this course)
HOMEWORK: (25% of
total grade for this course)
Please put all homework in the box just opposite Room 414 Math
Building.
Deadline is Thursday 12:00 midnight. All homework is from the
Trappe-Washington book.
HW#1 due Thursday,
January 26: Page 55, Problems 2, 3, 4, 5,
8, 10, 11
HW#2 due Thursday,
February 2: Page 104, Problems 1, 2, 3,
5, 12, 13, 18, 19, 26
HW#3 due Thursday,
February 9: Page 192, Problems 1, 3, 7,
9, 11 Page 214, Problems 1, 2, 11
HW#4 due Thursday,
February 16: Page 105, Problems 9,
10 Page 195, Problem 21 Page 215, Problems 3, 4,
6, 10
HW#5 due Thursday,
March 1: Page 108, Problems 25, 26,
Page 239, Problems 1, 2, 3, 4, Page 252, Problem 1
HW#6 due Thursday,
March 8: Page 252, Problems 2, 4, 5,
8, Page 286, Problem 4, Page 315, Problems 2, 3.
HW#7 due Thursday,
March 22: Page 370, Problems 1, 2, 3, 4,
5, 10
HW#8 due Thursday,
March 29: Page 321, Problems 1, 2, 3, 4,
5, 6
HW#9 due Thursday,
April 12: Page 110, Problems 33,
34, Page 447, Problem 12(a),
Construct a finite field of 8
elements.
HW#10 due Thursday,
April 19: Page 445, Problems 1, 2, 3, 4,
5, 6
HW#11 due Thursday,
April 26: Page 445, Problems 8, 9, 10,
11, 12, 13
Mathematics
W4007, ANALYTIC NUMBER THEORY
Day/Time: TR 2:40-3:55pm Location: 307
Mathematics Building
Homework #1
Homework
#2
Homework
#3