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The Synthesis of Two-Terminal Switching Circuits. - [SHANNON'S EXPANSION]
New York, American Telephone and Telegraph Company, 1949. 8vo. Volume XXVIII, 1949, No. 1 of ""The Bell System Technical Journal"". In the original printed blue wrappers. Wear and tears to spine. Inner front hinge loosening. Previous owner's name to front wrapper. Internally fine and clean. Pp. 59-98 [Entire issue: 163 pp].
First publication of Shannon's paper on how a Boolean function can be represented by the sum of two sub-functions of the original. The function was later named Shannon's Expansion or the Shannon Decomposition. ""The area of switching circuits design and optimization was a focus of considerable attention. Boolean algebra provided the basic mathematical foundation for switching circuit design. Shannon provided a basis for the The Synthesis of Two-Terminal Switching Circuits in 1949"". (Ashar, Sequential logic synthesis, 1992, p. 1).Claude Shannon is widely regarded as being the father of information theory and cryptography. Other papers contained in the present issue:1. Albersheim, W.J.Propagation of TE01 Waves in Curved Wave Guides. Pp. 1-32.2. Pierce, J.R." Hebenstreit, W.B. A New Type of High-Frequency Amplifier. Pp. 33-51.3. Hollenberg, A.V.Experimental Observation of Amplification by Interaction Between Two Electron Streams. Pp. 52-58.4. Robertson, Sloan D. A Method of Measuring Phase at Microwave Frequencies. Pp. 99-103.5. Rice, S.O.Reflection from Corners in Rectangular Wave Guides - Conformal Transformation. Pp. 104-135.6. Rice, S.O.A Set of Second-Order Differential Equations Accociated with Reflections in Rectangular Wave Guides - Application to Guide Connected to Horn. Pp. 136-156.
Memory Requirements in a Telephone Exchange (Manuscript Received Dec. 7, 1949).
(New York), American Telephone and Telegraph Company, 1950. 8vo. Volume XXIX, July, No. 3, 1950 of ""The Bell System Technical Journal"". In the original printed blue wrappers. A bit of minor browning to extremities. Wrapper only attached to back hinge. Internally fine and clean. Pp. 343-359. [Entire issue: Pp. 295-468].
First edition of Shannon's influential paper on how to construct a telephone exchange network. ""The problem of designing a good rearrangeable network was (probably first) considered in a paper of C. E. Shannon investigating memory requirements in a telephone exchange. On the networks that he considered he imposed the realistic ""separate memory condition"" to the effect that in operation a separate part of the memory can be signed to each call on progress. This means that completion of a new call or termination of an old call will not disturb the state of memory elements associated with any call in progress. [...] Shannon's separate memory condition is actually met by modern connecting networks [...]. (Benes, Vaclav Edward. Mathematical Theory of Connecting Networks and Telephone Traffic: 017, 1965, p. 119.) Claude Shannon is widely regarded as being the father of information theory and cryptography. Origins of Cyberspace 883.The present issue also includes:1. Southworth, George C. Principles and Applications of Waveguide Transmission. Pp. 295-342.2. Hartley, R.V.L. Matter, A Mode of Motion. Pp. 350-368.3. Hartley, R.V.L. The Reflection of Diverging Waves by a Gyrostatic Medium. Pp. 369-389.4. Pierce, J.R. Traveling-Wave Tubes (Third Installment). Pp. 390-460.
Probability of Error for Optimal Codes in a Gaussian Channel. [Manuscript received October 17, 1958].
New York, American Telephone and Telegraph Company, 1959. 8vo. Volume XXXVIII, 1959 of The Bell System Technical Journal bound in a nice full green cloth with gilt title to spine. Library stamp to top of title page. Binding tight, clean and fresh. Also internally very nice and clean. Pp. 611-656. [Entire volume: 14, (2), 907 pp.]
First edition.From the introduction to the present article: ""A study is made of coding and decoding systems for a continuous channel with an additive Gaussian noise and subject to an average power limitation at the transmitter. Upper and lower bounds are found for the error probability in decoding with optimal codes and decoding systems. These bounds are close together for signaling rates near channel capacity and also for signaling rates near zero, but diverge between. Curves exhibiting these bounds are given."" Claude Shannon is widely regarded as being the father of information theory and cryptography.See:OOC 898.
La théorie mathématique de la communication
Cassini. 2018. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 152 pages.. . . . Classification Dewey : 510-Mathématiques
Trad. de l'anglais par J. Cosnier, G. Dahan, S. Economidès, C. Bellaïche et O. Rioul. Préface d'Olivier Rioul. Classification Dewey : 510-Mathématiques
