A key area within this field is the study of polynomial time algorithms ... has explored various aspects of complexity theory, including connections between graph theory and matrix spaces ...

Algorithmic Complexity: The study of the resources (such as time and space) required to solve computational problems. Polynomial Threshold Functions (PTFs): Functions that classify inputs into ...

"The complexity of the graph isomorphism problem is one of ... breakthrough by proposing an algorithm that runs in "quasi-polynomial time." This comes quite close to the "polynomial-time ...