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Questions about space resources of computations in computational complexity or algorithms.

7 votes

Average-case space complexity

I'm interested in but not familiar with this topic. Searching for "Average case complexity theory", I found a thesis written by Tomoyuki Yamakami: Average Case Computational Complexity Theory, Tom …
Hsien-Chih Chang 張顯之's user avatar
18 votes

Does LOGLOG = NLOGLOG?

The entry in the complexity zoo is surprisingly detailed; it claims that NLOGLOG = co-NLOGLOG in the paper Nondeterministic computations in sublogarithmic space and space constructibility, Vilia …
Hsien-Chih Chang 張顯之's user avatar
15 votes
Accepted

Logspace algorithms on graphs with bounded tree width

Tutte polynomial is an example. This is a generalization of the chromatic polynomial, which itself is a #P-hard problem in any reasonable formulation. In Evaluating the Tutte Polynomial for Gra …
Hsien-Chih Chang 張顯之's user avatar