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79
Voted
ECCC
2016
43views more  ECCC 2016»
10 years 1 months ago
Fast Learning Requires Good Memory: A Time-Space Lower Bound for Parity Learning
We prove that any algorithm for learning parities requires either a memory of quadratic size or an exponential number of samples. This proves a recent conjecture of Steinhardt, Va...
Ran Raz
120
Voted
ECCC
2016
107views more  ECCC 2016»
10 years 1 months ago
Autoreducibility of NP-Complete Sets
We study the polynomial-time autoreducibility of NP-complete sets and obtain separations under strong hypotheses for NP. Assuming there is a p-generic set in NP, we show the follo...
John M. Hitchcock, Hadi Shafei
68
Voted
ECCC
2016
57views more  ECCC 2016»
10 years 1 months ago
On the Width of Semi-Algebraic Proofs and Algorithms
In this paper we initiate the study of width in semi-algebraic proof systems and various cut-based procedures in integer programming. We focus on two important systems: Gomory-Chv...
Alexander A. Razborov
78
Voted
ECCC
2016
46views more  ECCC 2016»
10 years 1 months ago
Quasi-Linear Size Zero Knowledge from Linear-Algebraic PCPs
The seminal result that every language having an interactive proof also has a zero-knowledge interactive proof assumes the existence of one-way functions. Ostrovsky and Wigderson ...
Eli Ben-Sasson, Alessandro Chiesa, Ariel Gabizon, ...
71
Voted
ECCC
2016
55views more  ECCC 2016»
10 years 1 months ago
Identity Testing for constant-width, and commutative, read-once oblivious ABPs
We give improved hitting-sets for two special cases of Read-once Oblivious Arithmetic Branching Programs (ROABP). First is the case of an ROABP with known variable order. The best...
Rohit Gurjar, Arpita Korwar, Nitin Saxena