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وصف كتب مصر
For many everyday transmissions, it is essential to protect digital
information from noise or eavesdropping. This undergraduate introduction to
error correction and cryptography is unique in devoting several chapters to
quantum cryptography and quantum computing, thus providing a context in which
ideas from mathematics and physics meet. By covering such topics as Shor's
quantum factoring algorithm, this text informs the reader about current
thinking in quantum information theory and encourages an appreciation of the
connections between mathematics and science. Of particular interest are the
potential impacts of quantum physics: (i) a quantum computer, if built, could
crack our currently used public-key cryptosystems; and (ii) quantum
cryptography promises to provide an alternative to these cryptosystems, basing
its security on the laws of nature rather than on computational complexity. No
prior knowledge of quantum mechanics is assumed, but students should have a
basic knowledge of complex numbers, vectors, and matrices.