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VERSION:2.0
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BEGIN:VEVENT
SUMMARY:Nonlocality and Contextuality: Concepts and Applications in Quantu
 m Information
DTSTART:20220304T093000Z
DTEND:20220304T110000Z
DTSTAMP:20260731T064536Z
UID:d105edfe-aa97-4ba2-8ccf-8f3c74012655
SEQUENCE:2
CREATED:20220228T113855Z
DESCRIPTION:AbstractIn quantum foundations and quantum information\, under
 standing the notion of non-cfc.ss/enfi/y is of extreme importance. This te
 rm broadly characterizes quantum phenomena which not only appear to be at 
 odds with certain instances of classical intuition\, but are provably in c
 ontradiction with empirical predic- tions of classical theories. The arche
 typal examples of non-classical phenomena\, produced by operational quantu
 m mechanics\, are nonlocality and contextuality\, which have traditionally
  been characterized within a framework of impossibility results\, known as
  no-go results. Nonlocality and contextuality\, while being at the core of
  the weirdness and conceptual issues of quantum theory\, also provide usef
 ul information theoretical resources that can be harnessed for information
  processing purposes\, for instance\, in quantum computation and quantum c
 ryp- tography. In this thesis\, we detail various types of non-classical p
 henomena\, in particular nonlocality and contextuality\, by studying them 
 within the framework of cooperation multiplayer games. This framework prov
 ides an intuitive way to interpret such no-po results as interactive proto
 cols where agents try to jointly compute a desired function under a set of
  operational restrictions. Therein\, the non-classical behaviour particula
 r to the setup emerges as a resource for appropriately constructed games\,
  powering the so called gunntutn-over-cla.ssiral advantage — a term whic
 h succinctly describes that players exploiting the full range of operation
 al quantum strategies perform better at the game than the players restrict
 ed to the alternative classical theories. Finally\, we will discuss some a
 pplications in quantum information\, namely\, within quantum cryptogra- ph
 y\, where different types of non-classical behaviour are of crucial import
 ance in order to guarantee security of various protocols.
LAST-MODIFIED:20220228T113927Z
LOCATION:Online
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/nonlocality-and-contextual
 ity-concepts-and-applications-in-quantum-information/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="iogy1"><b>Abstract</b></p>
 <p data-block-key="dj1hs">In quantum foundations and quantum information\,
  understanding the notion of non-cfc.ss/enfi/y is of extreme importance. T
 his term broadly characterizes quantum phenomena which not only appear to 
 be at odds with certain instances of classical intuition\, but are provabl
 y in contradiction with empirical predic- tions of classical theories. The
  archetypal examples of non-classical phenomena\, produced by operational 
 quantum mechanics\, are nonlocality and contextuality\, which have traditi
 onally been characterized within a framework of impossibility results\, kn
 own as <i>no-go</i> results. Nonlocality and contextuality\, while being a
 t the core of the weirdness and conceptual issues of quantum theory\, also
  provide useful information theoretical resources that can be harnessed fo
 r information processing purposes\, for instance\, in quantum computation 
 and quantum cryp- tography. In this thesis\, we detail various types of no
 n-classical phenomena\, in particular nonlocality and contextuality\, by s
 tudying them within the framework of cooperation multiplayer games. This f
 ramework provides an intuitive way to interpret such no-po results as inte
 ractive protocols where agents try to jointly compute a desired function u
 nder a set of operational restrictions. Therein\, the non-classical behavi
 our particular to the setup emerges as a resource for appropriately constr
 ucted games\, powering the so called gunntutn-over-cla.ssiral advantage 
 — a term which succinctly describes that players exploiting the full ran
 ge of operational quantum strategies perform better at the game than the p
 layers restricted to the alternative classical theories. Finally\, we will
  discuss some applications in quantum information\, namely\, within quantu
 m cryptogra- phy\, where different types of non-classical behaviour are of
  crucial importance in order to guarantee security of various protocols.</
 p>
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