English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

One of the most important quantum algorithms ever discovered is Grover'salgorithm for searching an unordered set. We give a new lower bound in thequery model which proves that Grover's algorithm is exactly optimal. Similar toexisting methods for proving lower bounds, we bound the amount of informationwe can gain from a single oracle query, but we bound this information in termsof angles. This allows our proof to be simple, self-contained, based on onlyelementary mathematics, capturing our intuition, while obtaining at the same anexact bound.

Exact quantum lower bound for Grover's problem