Pith. sign in

REVIEW

A new quantum lower bound method, with an application to strong direct product theorem for quantum search

Not yet reviewed by Pith; the record is open.

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv quant-ph/0508200 v2 pith:RQSPGAMO submitted 2005-08-26 quant-ph cs.CC

classification quant-phcs.CC
keywords methodquantumadversarydirectlowerproductsearchstrong
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
read the original abstract

We present a new method for proving lower bounds on quantum query algorithms. The new method is an extension of adversary method, by analyzing the eigenspace structure of the problem. Using the new method, we prove a strong direct product theorem for quantum search. This result was previously proven by Klauck, Spalek and de Wolf (quant-ph/0402123) using polynomials method. No proof using adversary method was known before.

Discussion (0). Sign in to comment.

Pith tools