The complexity of surjective homomorphism problems—a survey

The complexity of satisfiability problems

Thomas J. Schaefer · 1978 · 1.8K citations · Full text

Computing, Computer Science, Algorithms +12

The Computational Structure of Monotone Monadic SNP and Constraint Satisfaction: A Study through Datalog and Group Theory

Tomás Feder, Moshe Y. Vardi · SIAM Journal on Computing · 1998 · 1.1K citations

Computing, Computer Science, Mathematics +15

On the Structure of Polynomial Time Reducibility

Richard E. Ladner · Journal of the ACM · 1975 · 790 citations · Full text

Computing, Computer Science, Algorithms +5

Classifying the Complexity of Constraints Using Finite Algebras

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Natural Sciences, Computer Science, Mathematics +17

Undirected connectivity in log-space

Omer Reingold · Journal of the ACM · 2008 · 511 citations

Computing, Computer Science, Mathematics +16