Wyniki wyszukiwania dla: tenure status

• Distribution of population by tenure status, 2015 (% of population)

  Dane Badawcze

  open access

  • P. Kasprzak

  Factor affecting the attractiveness of property market in terms of investment, especially of housing, is the ratio of the number of dwellings owned by the population .In 2015, more than a quarter (26.9%) of the EU population lived in their own housing with credit or mortgages, while over 42% occupied their own residential units without credit or mortgages....

• Quantum states representing perfectly secure bits are always distillable

  Publikacja

  • P. Horodecki
  • R. Augusiak

  - PHYSICAL REVIEW A - Rok 2006

  W pracy pokazano, że ostatnio wprowadzone stany kwantowe reprezentujące perfekcyjnie bezpieczny bit klucza kryptograficznegooraz ich wielocząstkowe i wielowymiarowe uogólnienia zawsze reprezentują destylowalne splątanie. Podano ograniczenia dolne na wielkość destylowalnego splątania. Ponadto podano alternatywny dowód faktu, że koszt splątania jest ograniczeniem górnym na wielkość destylowalnego klucza kryptograficznego w dwucząstkowym...

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• W-like bound entangled states and secure key distillation

  Publikacja

  • R. Augusiak
  • P. Horodecki

  - EPL-EUROPHYS LETT - Rok 2009

  We construct multipartite entangled states with underlying W-type structuresatisfying positive partial transpose (PPT) condition under any (N −1)|1 partition. Then we showhow to distill a N-partite secure key from the states using two different methods: direct applicationof local filtering and novel random key distillation scheme in which we adopt the idea from recentresults on entanglement distillation. Open problems and possible...

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• PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS

  Czasopisma

  ISSN: 0370-1972 , eISSN: 1521-3951

• Solid State Phenomena

  Czasopisma

  ISSN: 1012-0394

• Experimental Extraction of Secure Correlations from a Noisy Private State

  Publikacja

  • K. Dobek
  • M. Karpiński
  • R. Demkowicz-Dobrzański
  • K. Banaszek
  • P. Horodecki

  - PHYSICAL REVIEW LETTERS - Rok 2011

  We report experimental generation of a noisy entangled four-photon state that exhibits a separation between the secure key contents and distillable entanglement, a hallmark feature of the recently established quantum theory of private states. The privacy analysis, based on the full tomographic reconstruction of the prepared state, is utilized in a proof-of-principle key generation. The inferiority of distillation-based strategies...

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• SOLID STATE IONICS

  Czasopisma

  ISSN: 0167-2738 , eISSN: 1872-7689

• Four-state stochastic model of changes in the reliability states of a motor vehicle

  Publikacja

  • J. Girtler
  • M. Ślęzak

  - Eksploatacja i Niezawodność - Maintenance and Reliability - Rok 2013

  The properties of semi-Markov processes have been generally characterized and the applicability of the theory of such processes to the determining of the reliability of motor cars and other road vehicles has been explained. A formal description of the process of changes in the motor vehicle technical states considered as reliability states and a model of this process in the form of a one-dimensional stochastic process have been...

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• PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE

  Czasopisma

  ISSN: 1862-6300 , eISSN: 1862-6319

• Stats

  Czasopisma

  eISSN: 2571-905X