Solutions and grades of Quizzes |
|
Quiz 1 |
Results |
Quiz 2 |
Results |
Quiz 3 | Results |
Detailed
Syllabus * |
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Date |
Material |
Assignment |
Misc. |
September
5-7 |
Sets, Methods of Proof. |
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September
10-14 |
Methods of Proof. Functions, On the notion of
cardinality, |
Assignment
1 Solutions |
In question 1, all
the sets [-n, n] and (n, n+2) and so on stand for intervals of real
numbers. In the definition of the A_n you may assume n is a positive
integer. |
September
17-21 |
Complex numbers, Polynomials and the fundamental thm of Algebra. Rings and Fields. | Assignment
2 Solutions |
|
September
24-28 |
Divisibility, gcd, Euclidean algorithm for integers. 2^(1/2) is irrational. Primes and the sieve of Eratosthenes. The Fundamental Thm of Arithmetic. | Assignment
3 Solutions |
|
October
1-5 |
Infinity of primes (Quiz 1). Equivalence relations. Congruences. | Assignment
4 Solutions |
Quiz
1, Wednesday October 3, 16:30 - 18:00 in
|
October
10-12 |
Fermat's little
theorem, computing and solving equations in Zn.
Public Key crypto and RSA.The ring of polynomials
over a field F. Degree.
Division with residue. |
Assignment
5 Solutions |
No
class October 8 (Thanksgiving). Tuesday
follows Monday's schedule. A correction was made in question 4 |
October
15-19 |
GCD's. The Euclidean algorithm for polynomials. Irreducible polynomials. Unique factorization. Roots of polynomials. Roots of rational and real polynomials. Roots of polynomials over Z_p. | Assignment
6 Solutions |
Note
that you have 2
weeks to submit this (somewhat long) assignment. |
October
22-26 |
Rings (recall). Ideals. Z and F[x] are principal ideal rings. (Quiz 2). Homomorphisms and kernels. |
|
|
October
29 - November 2 |
Quotient
rings. F[x]/(f(x)) and
constructing finite fields. Roots in extension fields. |
Assignment
7 Solutions |
|
November
5-9 |
First isomorphism theorem. Chinese remainder theorem. Applications of CRT. Groups: the basic definition and examples. The symmetric group. (Quiz 3). | Assignment
8 Solutions |
|
November
12-16 |
The symmetric group - cont'd. (Quiz 3).The dihedral group. Cosets and Lagrange's theorem. | Assignment
9 Solutions |
|
November
19-23 |
Homomorphisms
and isomorphisms; Cayley's
theorem. Group actions on
sets: first definitions and properties.
Examples. |
Assignment
10 Solutions |
This
is the last assignment!! Question 5 is
optional. |
November
26-30 |
Cauchy-Frobenius
formula. Applications to Combinatorics. Homomorphisms, normal subgroups,
quotient groups and the first isomorphism theorem. Examples. |
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December
3 |
Groups of low order. |
Day (all in the week Dec. 3 -7). No office hours Mon. Dec. 10 |
Time |
Monday |
1:30-2:30 (Eyal), 3:00 - 4:00
(Telyn) |
Tuesday |
1:00 - 2:00 (Gabriel), 2:00 -
3:00 (Eyal) |
Wednesday |
1:00 - 2:00 (Telyn) |
Thursday |
9:00 - 10:00 (Eyal), 1:00 - 2:00
(Telyn) |
Friday |
11:00 - 12:00 (Gabriel), 1:00 -
2:00 (Gabriel) |