Communications of the ACM
A simple unpredictable pseudo random number generator
SIAM Journal on Computing
Computational limitations of small-depth circuits
Computational limitations of small-depth circuits
Reduced order LQG controllers for linear time varying plants
Systems & Control Letters
Cryptographic hardness of distribution-specific learning
STOC '93 Proceedings of the twenty-fifth annual ACM symposium on Theory of computing
Cryptographic limitations on learning Boolean formulae and finite automata
Journal of the ACM (JACM)
On Optimal Depth Threshold Circuits for Multiplication andRelated Problems
SIAM Journal on Discrete Mathematics
An introduction to computational learning theory
An introduction to computational learning theory
Cryptographic lower bounds for learnability of Boolean functions on the uniform distribution
Journal of Computer and System Sciences
Randomized Interpolation and Approximationof Sparse Polynomials
SIAM Journal on Computing
Learning sparse multivariate polynomials over a field with queries and counterexamples
Journal of Computer and System Sciences
A public-key cryptosystem with worst-case/average-case equivalence
STOC '97 Proceedings of the twenty-ninth annual ACM symposium on Theory of computing
Simulating Threshold Circuits by Majority Circuits
SIAM Journal on Computing
Learning functions represented as multiplicity automata
Journal of the ACM (JACM)
Randomness efficient identity testing of multivariate polynomials
STOC '01 Proceedings of the thirty-third annual ACM symposium on Theory of computing
A Random Sampling based Algorithm for Learning the Intersection of Half-spaces
FOCS '97 Proceedings of the 38th Annual Symposium on Foundations of Computer Science
Learning intersections and thresholds of halfspaces
Journal of Computer and System Sciences - Special issue on FOCS 2002
Learnability and Automatizability
FOCS '04 Proceedings of the 45th Annual IEEE Symposium on Foundations of Computer Science
New lattice-based cryptographic constructions
Journal of the ACM (JACM)
On lattices, learning with errors, random linear codes, and cryptography
Proceedings of the thirty-seventh annual ACM symposium on Theory of computing
Journal of the ACM (JACM)
New Results for Learning Noisy Parities and Halfspaces
FOCS '06 Proceedings of the 47th Annual IEEE Symposium on Foundations of Computer Science
Unconditional lower bounds for learning intersections of halfspaces
Machine Learning
Learning intersections of halfspaces with a margin
Journal of Computer and System Sciences
CRYPTO'06 Proceedings of the 26th annual international conference on Advances in Cryptology
On lattices, learning with errors, random linear codes, and cryptography
Journal of the ACM (JACM)
Optimal bounds for sign-representing the intersection of two halfspaces by polynomials
Proceedings of the forty-second ACM symposium on Theory of computing
On the hardness of learning intersections of two halfspaces
Journal of Computer and System Sciences
Arithmetic Circuits: A survey of recent results and open questions
Foundations and Trends® in Theoretical Computer Science
SIAM Journal on Computing
When homomorphism becomes a liability
TCC'13 Proceedings of the 10th theory of cryptography conference on Theory of Cryptography
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We give the first representation-independent hardness results for PAC learning intersections of halfspaces, a central concept class in computational learning theory. Our hardness results are derived from two public-key cryptosystems due to Regev, which are based on the worst-case hardness of well-studied lattice problems. Specifically, we prove that a polynomial-time algorithm for PAC learning intersections of n^@e halfspaces (for a constant @e0) in n dimensions would yield a polynomial-time solution to O@?(n^1^.^5)-uSVP (unique shortest vector problem). We also prove that PAC learning intersections of n^@e low-weight halfspaces would yield a polynomial-time quantum solution to O@?(n^1^.^5)-SVP and O@?(n^1^.^5)-SIVP (shortest vector problem and shortest independent vector problem, respectively). Our approach also yields the first representation-independent hardness results for learning polynomial-size depth-2 neural networks and polynomial-size depth-3 arithmetic circuits.