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ICALP
2005
Springer
15 years 7 months ago
Improved Lower Bounds for Locally Decodable Codes and Private Information Retrieval
We prove new lower bounds for locally decodable codes and private information retrieval. We show that a 2-query LDC encoding nbit strings over an ℓ-bit alphabet, where the decode...
Stephanie Wehner, Ronald de Wolf
COCO
2003
Springer
118views Algorithms» more  COCO 2003»
15 years 7 months ago
Lower bounds for predecessor searching in the cell probe model
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...
Pranab Sen
ALGORITHMICA
2010
92views more  ALGORITHMICA 2010»
15 years 1 months ago
Quantum Separation of Local Search and Fixed Point Computation
In this paper, we give a lower bound of (n(d-1)/2 ) on the quantum query complexity for finding a fixed point of a discrete Brouwer function over grid [1 : n]d . Our bound is near...
Xi Chen, Xiaoming Sun, Shang-Hua Teng
AAECC
2003
Springer
104views Algorithms» more  AAECC 2003»
15 years 5 months ago
Interpolation of the Elliptic Curve Diffie-Hellman Mapping
Abstract. We prove lower bounds on the degree of polynomials interpolating the Diffie
Tanja Lange, Arne Winterhof