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Syllabus Intersection problems for finite sets - 80815
עברית
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Last update 30-08-2022
HU Credits: 2

Degree/Cycle: 2nd degree (Master)

Responsible Department: Mathematics

Semester: 1st Semester

Teaching Languages: Hebrew

Campus: E. Safra

Course/Module Coordinator: Noam Lifshitz

Coordinator Email: noamlifshitz@gmail.com

Coordinator Office Hours: The hour right after class

Teaching Staff:
Dr. Noam Lifshitz

Course/Module description:
In the course we will learn a variety of tools from different fields in order to solve problems that are very easy to state. These are called intersection problems for finite sets. They take the form: How large can a family of n/2-sized subsets of {1,...,n} be if the inersection of each two sets in the family is not of size n/4.

Course/Module aims:
The student will be able to use the recently developed tools in extremal combinatorics and attempt to solve open problems in the area using them.

Learning outcomes - On successful completion of this module, students should be able to:
The students will be able to use analytic and algebraic methods and then be able to attempt to solve the open problems presented in the course.

Attendance requirements(%):

Teaching arrangement and method of instruction:

Course/Module Content:
1) The EKR theorem and Katona's circle method
2) Shifting method
3) Spectral method/ Hoffman's bound
4) Sharp threshold results
5) Regularity method
6) The junta method
7) Ranks of matrices and tensors: the polynomial method
8) Huang's spectral dimension method
9) Methods from algebraic topology
10) Hyprcontractivity for global functions
11) The Frankl-Rodl theorem
12) Sunflower problem

Required Reading:
I'll send you notes with exercises that you are expected to go over and send me corrections

Additional Reading Material:

Course/Module evaluation:
End of year written/oral examination 80 %
Presentation 0 %
Participation in Tutorials 0 %
Project work 0 %
Assignments 20 %
Reports 0 %
Research project 0 %
Quizzes 0 %
Other 0 %

Additional information:
Good control of probability and linear algebra.
 
Students needing academic accommodations based on a disability should contact the Center for Diagnosis and Support of Students with Learning Disabilities, or the Office for Students with Disabilities, as early as possible, to discuss and coordinate accommodations, based on relevant documentation.
For further information, please visit the site of the Dean of Students Office.
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