CS 151: Complexity Theory (Spring 2025)

Instructor: Chris Umans

Office: Annenberg 311

Times: Tu/Th 1:00-2:25 in Annenberg 213

TA: Mohammedsaid Alhalimi

Office hours: TBD

Announcements:

• The first lecture is on April 1 at 1pm.
• The first two lectures will be on zoom, due to travel. Zoom links will be emailed to the class list in advance of the lecture.
• The first Problem Set is out. It is due on April 10.

Handouts:

• Syllabus (pdf)

Lecture slides:

• Lecture 1: intro; languages, complexity classes, Turing Machines (pptx, pdf)
• Lecture 2: reductions and completeness, time and space classes, hierarchy theorems, relationships between classes (pptx, pdf)

Problem sets:

• Problem Set 1: (pdf, LaTeX source)

Resources:

• Here is a LaTeX template (tex, pdf) that you can use for your writeups if you wish.