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cs.CC2025
KRW Composition Theorems via Lifting
Susanna F. de Rezende, Or Meir, Jakob Nordström +2
One of the major open problems in complexity theory is proving super-logarithmic lower bounds on the depth of circuits (i.e., ). Karchmer, Raz…
cs.CC2024
On Pigeonhole Principles and Ramsey in TFNP
Siddhartha Jain, Jiawei Li, Robert Robere +1
We show that the TFNP problem RAMSEY is not black-box reducible to PIGEON, refuting a conjecture of Goldberg and Papadimitriou in the black-box setting. We prove this by giving red…
cs.CC2024
Separations in Proof Complexity and TFNP
Mika Göös, Alexandros Hollender, Siddhartha Jain +4
It is well-known that Resolution proofs can be efficiently simulated by Sherali-Adams (SA) proofs. We show, however, that any such simulation needs to exploit huge coefficients: Re…