Exponential lower bounds for the pigeonhole principle
STOC '92 Proceedings of the twenty-fourth annual ACM symposium on Theory of computing
On the complexity of the parity argument and other inefficient proofs of existence
Journal of Computer and System Sciences - Special issue: 31st IEEE conference on foundations of computer science, Oct. 22–24, 1990
Bounded arithmetic, propositional logic, and complexity theory
Bounded arithmetic, propositional logic, and complexity theory
The relative complexity of NP search problems
Journal of Computer and System Sciences
Sperner's lemma and robust machines
Computational Complexity
Relativized NP Search Problems and Propositional Proof Systems
CCC '04 Proceedings of the 19th IEEE Annual Conference on Computational Complexity
The complexity of the pigeonhole principle
SFCS '88 Proceedings of the 29th Annual Symposium on Foundations of Computer Science
On the black-box complexity of sperner's lemma
FCT'05 Proceedings of the 15th international conference on Fundamentals of Computation Theory
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We present a reduction from the Pigeon-Hole Principle to the classical Sperner Lemma. The reduction is used 1. to show that the Sperner Lemma does not have a short constant-depth Frege proof, and 2. to prove lower bounds on the Query Complexity of the Sperner Lemma in the Black-Box model of Computation.