Math 262 Midterm

You can choose to do one of the following three choices.
• Do the following exercise problems:
  Ex. 2.3.11
  Ex. 3.2.8
  Ex. 3.2.11
  Ex. 4.2.13
  Write a complete proof of Theorem 4.13.
  And prove the strengthened version of Erd"os-Rado Theorem.
  The due time is Feb. 15, 10am.
• Do a research problem.
  Make an appointment within a week. Finish the project before final.
• Write a short state-of-art survey of a research area, such as: explicit Ramsey graphs, intersection theorems.
  Make an appointment within a week. Finish the project before final.