Academic Catalog

MATH432 COMPUTABILITY THEORY

Course Code: 2360432
METU Credit (Theoretical-Laboratory hours/week): 3(3-0)
ECTS Credit: 6.0
Department: Mathematics
Language of Instruction: English
Level of Study: Undergraduate
Course Coordinator:
Offered Semester: Fall and Spring Semesters.

Course Content

Well-formed formulas of Peano arithmetic, Gödel numbering, primitive recursive functions, Gödel’s Incompleteness Theorems, partial recursive functions, Turing machines, Church-Turing Thesis, decidabilitiy, recursion theorem, s-m-n theorem, padding lemma, recursively enumerable sets, computable approximations, halting problem, creative sets, simple sets, Turing reducibility, Turing degrees, properties of Turing degrees, recursively enumerable degrees, joins, Turing jump.
Selected topics may include: Arithmetical hierarchy, limit lemma, finite extension method, co-infinite extension method, minimal degrees, splitting threes, jump classes, jump inversion, low and hign degrees, finite injury priority method, r.e. permitting, computable dimination, hyperimmune-free degrees.