Complexity theory is a

Is complexity a math theory?
Complexity theory is a central topic in theoretical computer science.
It has direct applications to computability theory and uses computation models such as Turing machines to help test complexity.
Complexity theory helps computer scientists relate and group problems together into complexity classes..
Where is complexity theory used?
Complexity theory is a set of theoretical frameworks used for modeling and analyzing complex systems within a variety of domains.
Complexity theory draws upon models developed in many different areas such as computer science, ecology, physics, mathematics, and engineering._{Aug 11, 2021}.
Why is complexity theory important?
Complexity theory is a central topic in theoretical computer science.
It has direct applications to computability theory and uses computation models such as Turing machines to help test complexity.
Complexity theory helps computer scientists relate and group problems together into complexity classes..

Is complexity a math theory?