CMSC 452 Slides. Dates for the future are guesswork
INTRO AND REGULAR LANGS
Jan 28:
Admin, Intro to Theory of Comp
Jan 28
DFAs
Jan 30
DFAs for Arithmetic Tricks
Jan 30
DFA Closure
Feb 4
NFAs
Feb 4
NFA Closure
Feb 6
Number of States
Feb 6
Small NFAs
Feb 11
Reg Expressions (regex)
Feb 11
HW02 solutions
Feb 13-18
regex closure
Feb 18
Recording From Feb 18
Feb 18-20
Proving Langs Not Reg
Feb 25
The 3-4-5 problem
Feb 25,27
CFL's
Feb 27
HW03 sol
Feb 27
HW04 sol
March 4
CFG's For Finite Unary Languages
Syn Correct C
Programs Undecdable?
March 6
HW05 sol
March 11
CFL in P
March 13
Context Sensitive Languages
OLD MIDTERM
GUIDELINES FOR MIDTERM
March 25
Mid Review Reg
,
Mid Review CFL
March 27
hw06sol
,
hw07sol
April 1 Midterm1
April 3
Midterm Solutions
P, NP, ETC.
April 3,8
DTIME, P, EXP, NP SLIDES
April 8
More on NPC
April 15,17
Cook-Levin Thm
April 17
CLIQ TO SAT
April 17
CLIQ TO SAT
April 17
Hw10 Solutions IF HAVE TIME
April 22
Closure Properties of P and NP
April 22 Functions and Sets
April 24
Is Factoring NPC?
OPTIONAL
Is Graph Isomorphism NPC?
OPTIONAL
SAT Variants and Cryarithms
OPTIONAL
SAT SOLVERS
DECIDABLE & UNDECIDABLE SETS
April 29
Decidable and Undecidable
Dr. Suess Halting Problem
http://www.cs.umd.edu/~dml/seuss-halt.pdf
More on Hilberts Tenth Problem
slides/h10theory.pdf
Papaer about H10
PAPER
Primitive Recursive Functions
slides/primrectalk.pdf
WS1S
S1S Decidable
WS2S
S2S Decidable
Link to the MONA website-dec of WS2S
Undec problems about CFG's
slides/cfgund.pdf
Theory of (Q,<)
slides/qlesstalk.pdf
Theory of (M,<)
slides/mless.pdf
Mr Ed Theme song
Godel's Inc Theorem
Kolm Comp
Emptyness and Fullness Problems
Bounded Queries in Recursion Theory