Download or read book Quantum Communications and Cryptography written by Alexander V. Sergienko and published by CRC Press. This book was released on 2018-10-03 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: All current methods of secure communication such as public-key cryptography can eventually be broken by faster computing. At the interface of physics and computer science lies a powerful solution for secure communications: quantum cryptography. Because eavesdropping changes the physical nature of the information, users in a quantum exchange can easily detect eavesdroppers. This allows for totally secure random key distribution, a central requirement for use of the one-time pad. Since the one-time pad is theoretically proven to be undecipherable, quantum cryptography is the key to perfect secrecy. Quantum Communications and Cryptography is the first comprehensive review of the past, present, and potential developments in this dynamic field. Leading expert contributors from around the world discuss the scientific foundations, experimental and theoretical developments, and cutting-edge technical and engineering advances in quantum communications and cryptography. The book describes the engineering principles and practical implementations in a real-world metropolitan network as well as physical principles and experimental results of such technologies as entanglement swapping and quantum teleportation. It also offers the first detailed treatment of quantum information processing with continuous variables. Technologies include both free-space and fiber-based communications systems along with the necessary protocols and information processing approaches. Bridging the gap between physics and engineering, Quantum Communications and Cryptography supplies a springboard for further developments and breakthroughs in this rapidly growing area.
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Download or read book Type Sign Symbol written by Adrian Frutiger and published by . This book was released on 1980 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Adrian Frutiger Typefaces written by Heidrun Osterer and published by Walter de Gruyter. This book was released on 2014-05-08 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: Das internationale Schriftschaffen nach 1950 wurde maßgeblich geprägt vom Schweizer Adrian Frutiger. Sein Schriftprogramm Univers und die zum ISO-Standard erklärte, maschinenlesbare Schrift OCR-B sind ebenso Meilensteine wie die zur Frutiger weiterentwickelte Schrift der Pariser Flughäfen – ein Qualitätsstandard für Signalisationsschriften. Mit den Corporate Types prägte er Firmenauftritte wie den der japanischen Kosmetiklinie Shiseido. Insgesamt entstanden rund 50 Schriften, darunter Ondine, Méridien, Avenir und Vectora. Auf Gesprächen mit Frutiger basierend sowie auf umfangreichen Recherchen in Frankreich, England, Deutschland und der Schweiz, zeichnet die Publikation den gestalterischen Werdegang des Schriftkünstlers exakt nach. Es werden alle Schriften – vom Entwurf bis zur Vermarktung – abgebildet sowie mit Bezug zu Technik und zu artverwandten Schriften analysiert. Bisher unveröffentlichte, nicht realisierte Schriften sowie über 100 Logos vervollständigen das Bild. Mit dieser zweiten Auflage, einer korrigierten und durch einen Index erweiterten Studienausgabe, lässt sich Frutigers Werk noch besser erschliessen.
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