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‎WEISLINGER E.‎

Reference : RO80006741

(1991)

ISBN : 2729891080

‎Mathématiques pour physiciens.‎

‎ELLIPSES. 1991. In-8. Broché. Etat d'usage, Couv. légèrement passée, Dos satisfaisant, Intérieur frais. 351 pages.. . . . Classification Dewey : 510-Mathématiques‎


‎2è et 3è cycles, avec rappels du 1er cycle. Présentation de Jean Dieudonné. Classification Dewey : 510-Mathématiques‎

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‎Wells (David)‎

Reference : Cyb-4321

(1997)

‎The Penguin Book of Curious and Interesting Mathematics‎

‎Penguin Book Malicorne sur Sarthe, 72, Pays de la Loire, France 1997 Book condition, Etat : Bon paperback, editor's white wrappers, illustrated by a photography In-8 1 vol. - 329 pages‎


‎few black and white text-figures Contents, Chapitres : Contents, Introduction, Acknowledgments, x, Text, 319 pages near fine copy, no markings‎

Librairie Internet Philoscience - Malicorne-sur-Sarthe
EUR8.00 (€8.00 )

‎WENDLING E. DR‎

Reference : RO80164370

‎FORMULES MATHEMATIQUES‎

‎EDITIONS NOVOS SA LAUSANNE. NON DATE. In-12. Relié toilé. Très bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 97 pages.. . . . Classification Dewey : 510-Mathématiques‎


‎ Classification Dewey : 510-Mathématiques‎

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EUR49.50 (€49.50 )

‎Wermer (John)‎

Reference : 51100

(1974)

‎Potential Theory‎

‎Springer-Verlag - Springer , Lecture Notes in Mathematics Malicorne sur Sarthe, 72, Pays de la Loire, France 1974 Book condition, Etat : Très Bon paperback grand In-8 1 vol. - 147 pages‎


‎ Contents, Chapitres : Contents, i, Text, 146 pages - Electrostatics - Poisson's equation - Fundamental solutions - Capacity - Energy - Existence of the equilibrium potential - Maximum principle for potentials - Uniqueness of the equilibrium potential - The Cone condition - Singularities of bounded harmonic functions - Green's function - Kelvin transform - Perron's method - Barriers - Kellogg's theorem - The Riesz decomposition theorem - Application of the Riesz decomposition fine copy‎

Librairie Internet Philoscience - Malicorne-sur-Sarthe
EUR12.00 (€12.00 )

‎WERMUS, Hersz:‎

Reference : 96081aaf

‎Eine konstruktiv-figürliche Begründung eines Abschnittes der zweiten Zahlklasse. Promotionsarbeit.‎

‎Zürich, Art. Institut Orell Füssli, 1961, in-8vo, 62 S., Original-Broschüre.‎


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(SLACES, NVVA)

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CHF30.00 (€32.22 )

‎WERTHEIM, GUSTAV.‎

Reference : 24403

(1902)

‎Anfangsgründe der Zahlenlehre.‎

‎Braunschweig, Viewg u. Sohn, 1902. Orig. full cloth. XII,428 pp., 2 portraits.‎


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‎WERTZ H.‎

Reference : RO20171521

(1984)

ISBN : 2225804710

‎INTELLIGENCE ARTIFICIELLE - APPLICATION A L'ANALYSE DE PROGRAMMES / ETUDES ET RECHERCHES EN INFORMATIQUE‎

‎MASSON. 1984. In-8. Broché. Etat d'usage, Couv. convenable, Dos satisfaisant, Intérieur frais. 218 pages.. . . . Classification Dewey : 510-Mathématiques‎


‎ Classification Dewey : 510-Mathématiques‎

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‎"WESSEL, CASPAR. ‎

Reference : 60128

(1799)

‎Om Directionens analytiske Betegning, et forsøg, anvendt fornemmelig til plane og sphæriske Polygoners Opløsning. - [THE FIRST SYSTEMATICAL THREATMENT OF COMPLEX NUMBERS]‎

‎Kiøbenhavn, Johan Rudolph Thiele, (1797) 1799. 4to. Recently bound in a nice pastiche-binding of brown half calf with five raised bands and gilt red leather title-label to elaborately gilt spine. Vellum corners and marbled paper over boards. Published in: ""Nye Samling af det Kongelige Danske Videnskabernes Selskabs Skrifter."" Vol. V. A very nice copy. Pp.469-518 + 3 folded engraved plates.‎


‎First edition of this seminal publication in which Wessel presents the first systematical treatment of the theory of complex numbers and furthermore being the first work to add vectors in three-dimensional space.""Wessel’s fame as a mathematician is based entirely on one paper, written in Danish and published in the Mémoires of the Royal Danish Academy, that established his priority in publication of the geometric representation of complex numbers. John Wallis had given a geometric representation of the complex roots of quadratic equations in 1685"" Gauss had had the idea as early as 1799 but did not explicitly publish it until 1831. Robert Argand’s independent publication in 1806 must be credited as the source of this concept in modern mathematics because Wessel’s work remained essentially unknown until 1895, when its significance was pointed out by Christian Juel. The title of Wessel’s treatise calls it an ""attempt"" to give an analytic representation of both distance and direction that could be used to solve plane and spherical polygons. The connection of this goal with Wessel’s work as a surveyor and cartographer is obvious. The statement of the problem also suggests that Wessel should be credited with an early formulation of vector addition. In fact, Michael J. Crowe, in A History of Vector Analysis (University of Notre Dame Press, 1967), defines the first period in that history as that of a search for hypercomplex numbers to be used in space analysis and dates it from the time of Wessel, whom he calls the first to add vectors in three-dimensional space."" (DSB).‎

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‎"WESSEL, CASPAR. - THE FIRST SYSTEMATICAL THREATMENT OF COMPLEX NUMBERS.‎

Reference : 58364

(1797)

‎Om Directionens analytiske Betegning, et forsøg, anvendt fornemmelig til plane og sphæriske Polygoners Opløsning. (Essai sur la représentation analytique de la direction, avec des applications, en particular à la détermination des polygones plans et d...‎

‎Kiøbenhavn, Johan Rudolph Thiele, (1797) 1799. 4to. Uncut and unopened in original blue boards. Published in: ""Nye Samling af det Kongelige Danske Videnskabernes Selskabs Skrifter."" Vol. V. Wessel's paper: pp.469-518 and 3 folded engraved plates (the last plate inserted at p. 463). The whole volume V offered in its original binding. Engraved titlevignette. XII,670 pp., 15 engraved plates. 4 leaves with upper right corners gone, not affecting Wessel's paper.‎


‎First edition of this important first systematical treatment of the theory of complex numbers and at the same time, the first work to add vectors in three-dimensional space.""Wessel’s fame as a mathematician is based entirely on one paper, written in Danish and published in the Mémoires of the Royal Danish Academy, that established his priority in publication of the geometric representation of complex numbers. John Wallis had given a geometric representation of the complex roots of quadratic equations in 1685"" Gauss had had the idea as early as 1799 but did not explicitly publish it until 1831. Robert Argand’s independent publication in 1806 must be credited as the source of this concept in modern mathematics because Wessel’s work remained essentially unknown until 1895, when its significance was pointed out by Christian Juel. The title of Wessel’s treatise calls it an ""attempt"" to give an analytic representation of both distance and direction that could be used to solve plane and spherical polygons. The connection of this goal with Wessel’s work as a surveyor and cartographer is obvious. The statement of the problem also suggests that Wessel should be credited with an early formulation of vector addition. In fact, Michael J. Crowe, in A History of Vector Analysis (University of Notre Dame Press, 1967), defines the first period in that history as that of a search for hypercomplex numbers to be used in space analysis and dates it from the time of Wessel, whom he calls the first to add vectors in three-dimensional space."" (DSB).‎

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‎Westergaard Harald‎

Reference : 100138396

(1969)

‎Contributions ot the history of statistics‎

‎Reprints of economic classics 1969 in8. 1969. Cartonné.‎


‎Très bon état de conservation intérieur propre bonne tenue‎

Un Autre Monde - Val Couoesnon

Phone number : 07.69.73.87.31

EUR24.00 (€24.00 )

‎WESTON J.D.‎

Reference : RO30057629

(1960)

‎ON THE REPRESENTATION OF OPERATORS BY CONVOLUTION INTEGRALS‎

‎PACIFIC JOURNAL OF MATHEMATICS - VOL 10 N°4. 1960. In-8. Cartonnage d'éditeurs. Bon état, Livré sans Couverture, Dos satisfaisant, Intérieur frais. Paginé de 1453 à 1468. Ouvrage en anglais et photocopié.. . . . Classification Dewey : 510-Mathématiques‎


‎ Classification Dewey : 510-Mathématiques‎

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EUR10.95 (€10.95 )

‎WEYL, HERMANN.‎

Reference : 38943

(1931)

‎Die Stufen des Unendlichen. Vortrag, gehalten am 27. Oktober bei der Eröffnung der Gästetagung der Mathematischen Gesellschaft an der Universität jena im Abbeanum.‎

‎Jena, Gustav Fischer, 1931. Orig. printed wrappers, uncut. (2),19,(1) pp. Clean and fine, excepts for a spot on p. 8 and 9.‎


‎First edition.‎

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DKK500.00 (€66.92 )

‎WEYL, HERMANN.‎

Reference : 38942

(1923)

‎Mathematische Analyse des Raumproblems. Vorlesungen gehalten in Barcelona und Madrid. Mit 8 Abbildungen.‎

‎Berlin, Julius Springer, 1923. Orig. printed wrappers, uncut. Small nicks to backstrip. VII,117,(1) pp. Clean and fine.‎


‎First edition.‎

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‎Weyl Hermann‎

Reference : R300280330

(2006)

ISBN : 2080813668

‎"Symétrie et mathématique moderne - Collection ""Champs"" n°366"‎

‎Flammarion. 2006. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 151 pages - nombreuses photos et illustrations en noir et blanc dans et hors texte.. . . . Classification Dewey : 510-Mathématiques‎


‎ Classification Dewey : 510-Mathématiques‎

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EUR14.90 (€14.90 )

‎WEYL Hermann‎

Reference : 117552

(1997)

‎The classical groups, their invariants and representations.‎

‎ Princeton University Press 1997 Pinceton University Press, Princeton Landmarks in Mathematics, 1997, 320p., broché, environ 23x15cm. Une étiquette de librairie sur le second plat, coins des plats un peu cornés, haut du dos légèrement émoussé, bon état pour le reste et intérieur bien propre.‎


‎En anglais. Merci de nous contacter à l'avance si vous souhaitez consulter une référence au sein de notre librairie.‎

Phone number : 33 04 78 42 29 41

EUR50.00 (€50.00 )

‎"WEYL, HERMANN.‎

Reference : 44528

(1909)

‎Über die Konvergenz von Reihen, die nach Orthogonalfunktionen fortschreiten.‎

‎Leipzig, B.G. Teubner, 1909. 8vo. Original printed wrappers, no backstrip and a small nick to front wrapper. In ""Mathematische Annalen. Begründet durch Alfred Clebsch und Carl Neumann. 67 Band. 2. Heft."" Entire issue offered. Internally very fine and clean. [Weyl:] Pp. 225-45. [Entire issue: Pp. 145-280].‎


‎First printing of Weyl's paper on the convergence of series which continue as orthogonal functions. ""Very few of Weyl's 150 published books and papers-even those chiefly of an expository character-lack an original idea or afresh viewpoint. The influence of his works and of his teaching was considerable: he proved by his example that an ""abstract"" approach to mathematics is perfectly compatible with ""hard"" analysis and, in fact, can be one of the most powerful tools when properly applied."" (DSB)‎

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DKK800.00 (€107.07 )

‎"WEYL, HERMANN.‎

Reference : 44577

(1910)

‎Über gewöhnliche Differentialgleichungen mit Singularitäten und die zugehörigen Entwicklungen willkürlicher Funktionen. - [FIRST DESCRIPTION OF ESSENTIAL SPECTRUM]‎

‎Leipzig, B.G. Teubner, 1910. 8vo. Original printed wrappers, no backstrip and a small nick to front wrapper. In ""Mathematische Annalen. Begründet durch Alfred Clebsch und Carl Neumann. 68. Band. 2. Heft.""Entire issue offered. Internally very fine and clean. [Weyl:] Pp. 220-69. [Entire issue: Pp. 145-304].‎


‎First printing of Weyl's important paper in which he created the topic of essential spectrum.In mathematics, the essential spectrum is a certain subset of its spectrum, defined by a condition of the type that says, ""fails badly to be invertible"".‎

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‎"WEYL, HERMANN.‎

Reference : 49486

(1910)

‎Über gewöhnliche Differentialgleichungen mit Singularitäten und die zugehörigen Entwicklungen willkürlicher Funktionen. - [FIRST DESCRIPTION OF ESSENTIAL SPECTRUM]‎

‎Leipzig, B.G. Teubner, 1910. 8vo. Without wrappers. Extracted from ""Mathematische Annalen. Begründet 1868 durch Alfred Clebsch und Carl Neumann. 68. Band"". Pp. 220-69.‎


‎First printing of Weyl's important paper in which he created the topic of essential spectrum.In mathematics, the essential spectrum is a certain subset of its spectrum, defined by a condition of the type that says, ""fails badly to be invertible"".‎

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DKK1,000.00 (€133.83 )

‎W.Heisenberg‎

Reference : R160220207

(1932)

‎Les principes physiques de la théorie des quanta.‎

‎Gauthier-Villars et cie. 1932. In-8. Broché. Etat d'usage, Couv. convenable, Dos satisfaisant, Papier jauni. X + 126 pages.. . . . Classification Dewey : 510-Mathématiques‎


‎Traduit de l'allemand par MM.B.Champion et E.Hochard - Préface de Louis de Broglie. Classification Dewey : 510-Mathématiques‎

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EUR59.25 (€59.25 )

‎WHITE, D. J.‎

Reference : 74565

‎Dynamic Programming.‎

‎ Edunburgh and London - Sanfrancisco, California, Oliver & Byod - Holden-Day 1969 235x160mm, VII - 180pages, editor's binding. Book in very good condition.‎


‎ Pour un paiement via PayPal, veuillez nous en faire la demande et nous vous enverrons une facture PayPal‎

Phone number : 41 26 323 23 43

CHF20.00 (€21.48 )

‎Wickelgren (Wayne A.)‎

Reference : Cyb-4373

(1974)

‎How to Solve Problems - Elements of a Theory of Problems and Problem Solving‎

‎W.H. Freeman and Company, New York , A Series of Books in Psychology Malicorne sur Sarthe, 72, Pays de la Loire, France 1974 Book condition, Etat : Bon paperback, editor's white and red wrappers illustrated by a geometrical figure grand In-8 1 vol. - 273 pages‎


‎few black and white text-figures Contents, Chapitres : Contents, Preface, xi, Text, 262 pages - Introduction - Problem theory - Inference - Classification of action sequences - State evaluation and hill climbing - Subgoals - Contradiction - Working backward - Relations between problems - Topics in mathematical representation - Problems from mathematics, science and engineering - References and index near fine copy, no markings - dark spot on the bottom of the bottom-part of the wrappers, and the bottom of the margin of the 2 last pages, text remains clean‎

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EUR8.00 (€8.00 )

‎Wickelgren (Wayne A.)‎

Reference : 70177

(1974)

‎How to Solve Problems - Elements of a Theory of Problems and Problem Solving‎

‎W.H. Freeman and Company, New York , A Series of Books in Psychology Malicorne sur Sarthe, 72, Pays de la Loire, France 1974 Book condition, Etat : Bon paperback, editor's red wrappers illustrated by a geometrical figure petit In-4 1 vol. - 183 pages‎


‎numerous black and white text-figures Contents, Chapitres : Contents, What this book is, xi, Text, 172 pages - 1. Tensegrity : Weight vs. Tension - Spherical tensegrities - Complex spherical tensegrities - Tendon system minima - Geodesic subdivision - Rigid tensegrities - 2. Geodesics : Great circles - Symmetry systems - The spherical-coordinate system - Breakdown systems - Choising a polyhedron - Using the tables - Ellipses and superellipses - Truncations - An advanced problem - Space frames - About angles - 3. Data : Class I octahedral coordinates - Class II method 1 octahedral coordinates - Class I method 1 Icosahedral coordinates - Class II method 1 Icosahedral coordinates - Tetrahedral coordinates - Class II method 3 coordinates and chord factors - Appendices : Writing class II method 3 coordinates - Calculator routines - HP-65 programs near fine copy, no markings‎

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EUR8.00 (€8.00 )

‎"WIEDEMANN, E. und F. HAUSER.‎

Reference : 39171

(1918)

‎Uhr des Archimedes und zwei andere Vorrichtungen.‎

‎Halle, Max Niemeyer, 1918. Fol. Without wrappers as extracted from ""Nova Acta. Abhandlungen der Kaiserl. Leop.-Caro. Deutschen Akad. der Naturforscher"", Bd,. 103 :2. Pp 159-202, textillustr.‎


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DKK300.00 (€40.15 )

‎"WIENER, NORBERT.‎

Reference : 36948

(1949)

‎Extrapolation, Interpolation, and Smoothing of Stationary Time Series. With Engineering Applications.‎

‎Published jointly by The Technology Press of the Massachusetts Institute of Technology and John Wiley & Sons, New York - Chapman & Hall, London, 1949. 8vo. Publishers full cloth. Provenance: Handwritten signature to front free end paper of statistician Anders Hald (author of ""A History of Mathematical Statistics""). A fine and clean copy. IX,(1),163,(1) pp.‎


‎First edition of this classic in modern communication theory. The work was circulated as a classified memorandum in 1942, as it was connected with sensitive war-time efforts to improve radar communication. Combining ideas from statistics and time-series analysis, Wiener used Gauss's method of shaping the characteristic of a detector to allow for the maximal recognition of signals in the presence of noise. This method came to be known as the ""Wiener filter."" ‎

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DKK1,200.00 (€160.60 )

‎"WIENER, NORBERT.‎

Reference : 44426

(1958)

‎Nonlinear Problems in Random Theory.‎

‎New York: The Technology Press of the Massachussetts Institute of Technology, John Wiley and Sons, Inc, 1958. 8vo. In the original green embossed full cloth with the original wrappers. Previous owner's stamp to front free end-paper. Wrappers with some wear, otherwise a very fine and clean copy. IX, (1), 131 pp.‎


‎First edition, with author's signature to title page, of this seminal work within modelling of physiological systems. The book is ""an examination of the role of nonlinear processes in physics, mathematics, electrical engineering, physiology and communications theory."" (OOC 1004).""Wiener's seminal ideas on systems and cybernetics have shaped the entire field of systems science and have inspired it tremendous in the last 50 years. [...] Furthermore, Wiener's specific mathematical ideas for modeling nonlinear dynamic systems in a stochastic context, presented in his seminal monograph [the present], have provided great impetus to our collective efforts for modeling physiological systems."" (Marmarelis, Nonlinear dynamic modeling of physiological systems. P. 142).See Origins of Cyberspace 1004.‎

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