11 Jan – 22 Jan |
Peter Stevenhagen |
What Is Algebra?
- Groups, Rings, and Fields
- Symmetries of the Rhombus
- Arithmetic Modulo 8
- Symmetries of the Square
- Permutations of Four Elements
- Spatial Symmetries
- The Group Axioms
- Orders of Groups and Elements
- Permutation Groups
- Cycle Notation
- Subgroups, Cyclic Groups
- The Sign Map
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25 Jan – 5 Feb |
Ahmad El-Guindy
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Plane Symmetries and Homomorphisms
- Plane Geometry
- Isometries
- The Orthogonal Group
- Plane Symmetry Groups
- Sign of an Isometry
- Geometry with Complex Numbers
- Plane Transformation Groups
- Exercises
- Homomorphisms, Isomorphisms, Automorphisms
- Additive Notation
- Kernel and Image
- Injectivity
- Cosets
- The Isomorphism Theorem
- Normal Subgroups
- Quotient Groups
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8 Feb – 19 Feb |
Daniele Angella |
Group Actions
- Cubic and Tetrahedral Groups
- Orbit, Stabilizer, Fixed Point
- Orbit Decomposition Formula
- Combinatorical Applications
- Regular Action
- Conjugation Action
- Cauchy’s Theorem
- Integers
- Division with Remainder
- GCD and LCM
- Prime Numbers
- Unique Prime Factorization
- Rings
- The ring Z/nZ
- Arithmetic Modulo n
- Euler’s Theorem and Fermat’s Little
Theorem
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MIDTERM EXAM |
5 Apr – 16 Apr |
Laura Geatti (Lea Terracini) |
Factorization and Cryptography
- Primality of Large Numbers
- Large Number Factorization
- Cryptography
- The RSA Cryptosystem
- Digital Signatures
- Safety of RSA
- Discrete Logarithms
- Diffie–Hellman protocol
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19 Apr – 30 Apr |
Rahim Zaare-Nahandi (Rashid Zaare-Nahandi) |
Quotients, Products and abelian Groups
- Subgroups under Quotient Maps
- Homomorphism Theorem
- Commutator Subgroup
- Direct Product
- Semi-direct Product
- Exact Sequences
- Splitting Exact Sequences
- Free Abelian Groups
- Structure Theorem
- The Group (Z/nZ)∗
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3 May – 14 May |
Francesco Pappalardi (Michel Waldschmidt) |
Finite Groups
- Non-abelian Exact Sequences
- Classification for Simple Group Orders
- Sylow p-Subgroups
- Construction of Normal Subgroups
- Solvable Groups
- Simple Groups
- Further topics
- Preparation to final Exam
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