Communications of the ACM
Learnability and the Vapnik-Chervonenkis dimension
Journal of the ACM (JACM)
The Strength of Weak Learnability
Machine Learning
Learning an intersection of a constant number of halfspaces over a uniform distribution
Journal of Computer and System Sciences - Special issue: papers from the 32nd and 34th annual symposia on foundations of computer science, Oct. 2–4, 1991 and Nov. 3–5, 1993
Probabilistic checking of proofs: a new characterization of NP
Journal of the ACM (JACM)
Proof verification and the hardness of approximation problems
Journal of the ACM (JACM)
SIAM Journal on Computing
Principal Component Analysis over Continuous Subspaces and Intersection of Half-Spaces
ECCV '02 Proceedings of the 7th European Conference on Computer Vision-Part III
Hardness Results for Coloring 3 -Colorable 3 -Uniform Hypergraphs
FOCS '02 Proceedings of the 43rd Symposium on Foundations of Computer Science
Training a 3-Node Neural Network is NP-Complete
Machine Learning: From Theory to Applications - Cooperative Research at Siemens and MIT
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
A new PCP outer verifier with applications to homogeneous linear equations and max-bisection
STOC '04 Proceedings of the thirty-sixth annual ACM symposium on Theory of computing
Learning intersections and thresholds of halfspaces
Journal of Computer and System Sciences - Special issue on FOCS 2002
Quantitative Association Rules Based on Half-Spaces: An Optimization Approach
ICDM '04 Proceedings of the Fourth IEEE International Conference on Data Mining
A 3-Query Non-Adaptive PCP with Perfect Completeness
CCC '06 Proceedings of the 21st Annual IEEE Conference on Computational Complexity
The complexity of properly learning simple concept classes
Journal of Computer and System Sciences
Learning intersections of halfspaces with a margin
Journal of Computer and System Sciences
Hardness of Reconstructing Multivariate Polynomials over Finite Fields
FOCS '07 Proceedings of the 48th Annual IEEE Symposium on Foundations of Computer Science
Agnostically Learning Halfspaces
SIAM Journal on Computing
Cryptographic hardness for learning intersections of halfspaces
Journal of Computer and System Sciences
On Agnostic Learning of Parities, Monomials, and Halfspaces
SIAM Journal on Computing
Hardness of Learning Halfspaces with Noise
SIAM Journal on Computing
Agnostic Learning of Monomials by Halfspaces Is Hard
FOCS '09 Proceedings of the 2009 50th Annual IEEE Symposium on Foundations of Computer Science
2log1-ε n hardness for the closest vector problem with preprocessing
STOC '12 Proceedings of the forty-fourth annual ACM symposium on Theory of computing
Improved Approximation of Linear Threshold Functions
Computational Complexity
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We show that unless NP=RP, it is hard to (even) weakly PAC-learn intersection of two halfspaces in R^n using a hypothesis which is a function of up to @? halfspaces (linear threshold functions) for any integer @?. Specifically, we show that for every integer @? and an arbitrarily small constant @e0, unless NP=RP, no polynomial time algorithm can distinguish whether there is an intersection of two halfspaces that correctly classifies a given set of labeled points in R^n, or whether any function of @? halfspaces can correctly classify at most 12+@e fraction of the points.