From Digital Traces to Algorithmic Projections describes individual digital fingerprints in interaction with the different algorithms they encounter throughout life. Centered on the human user, this formalism makes it possible to distinguish the voluntary projections of an individual and their systemic projections (suffered, metadata), both open (public) and closed. As the global algorithmic projection of an individual is now the focus of attention (Big Data, neuromarketing, targeted advertising, sentiment analysis, cybermonitoring, etc.) and is used to define new concepts, this resource discusses the ubiquity of place and the algorithmic consent of a user. Proposes a new approach Describes an individual's fingerprint Focuses on the human user Defines the new concepts
From Digital Traces to Algorithmic Projections describes individual digital fingerprints in interaction with the different algorithms they encounter throughout life. Centered on the human user, this formalism makes it possible to distinguish the voluntary projections of an individual and their systemic projections (suffered, metadata), both open (public) and closed. As the global algorithmic projection of an individual is now the focus of attention (Big Data, neuromarketing, targeted advertising, sentiment analysis, cybermonitoring, etc.) and is used to define new concepts, this resource discusses the ubiquity of place and the algorithmic consent of a user. Proposes a new approach Describes an individual's fingerprint Focuses on the human user Defines the new concepts
This volume presents in a pedagogical yet complete way correlated systems in one dimension. After an introduction to the basic concepts of correlated systems, it gives a step-by-step description of the techniques needed to treat one dimension, and discusses the resulting physics.
In this paper, the authors study the direct and inverse scattering theory at fixed energy for massless charged Dirac fields evolving in the exterior region of a Kerr-Newman-de Sitter black hole. In the first part, they establish the existence and asymptotic completeness of time-dependent wave operators associated to our Dirac fields. This leads to the definition of the time-dependent scattering operator that encodes the far-field behavior (with respect to a stationary observer) in the asymptotic regions of the black hole: the event and cosmological horizons. The authors also use the miraculous property (quoting Chandrasekhar)—that the Dirac equation can be separated into radial and angular ordinary differential equations—to make the link between the time-dependent scattering operator and its stationary counterpart. This leads to a nice expression of the scattering matrix at fixed energy in terms of stationary solutions of the system of separated equations. In a second part, the authors use this expression of the scattering matrix to study the uniqueness property in the associated inverse scattering problem at fixed energy. Using essentially the particular form of the angular equation (that can be solved explicitly by Frobenius method) and the Complex Angular Momentum technique on the radial equation, the authors are finally able to determine uniquely the metric of the black hole from the knowledge of the scattering matrix at a fixed energy.
Rue Dieu, Impasse Satan, rue de Paradis, Passage d'Enfer...Un Code myst?rieux s?vit depuis des si?cles ? Paris qui a l'immense honneur de poss?der l'exclusivit? d'un tel syst?me! Les rues de Paris servent ? v?hiculer des messages, ? archiver des connaissances, voir m?me ? inscrire le futur...La Bible tient une place pr?pond?rante dans ce syst?me dont l'Homme ne peut ?tre le Ma?tre d'?uvre. D?monstration est faite de cette manifeste intervention qui t?moigne de chaque ?pisode de la Bible. Sainte-Th?r?se de Lisieux, Sainte Patronne secondaire de la France, est l?une des grandes b?n?ficiaires de ce Code; sa trace dans Paris est tout bonnement miraculeuse. De la naissance du Christ ? sa crucifixion, de la vie des saints ? la visite de Beno't XVI, dont chaque d?tail ?tait crypt? depuis des d?cennies, tout est inscrit en d?tail et peut ?tre lu facilement ? l'aide d'une simple carte de Paris. Les autres religions sont pr?sentes dans ce Code, message d'Espoir qui, ?trangement, arrive au bon moment...
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