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 Plus annual

Presents the access of premium content as premium feature

Premium Content

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 Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

We show that new definitions of the notion of "projection" on which some ofthe recent "extended formulations" works (such as Kaibel (2011); Fiorini et al.(2011; 2012); Kaibel and Walter (2013); Kaibel and Weltge (2013) for example)have been based can cause those works to over-reach in their conclusions inrelating polytopes to one another when the sets of the descriptive variablesfor those polytopes are disjoint.

Limits to the scope of applicability of extended formulations for LP models of combinatorial optimization problems: A summary