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Essays on the Theory of Numbers, I. Continuity and Irrational Numbers, II. The Nature and Meaning of Numbers (Paperback):... Essays on the Theory of Numbers, I. Continuity and Irrational Numbers, II. The Nature and Meaning of Numbers (Paperback)
Richard Dedekind
R354 Discovery Miles 3 540 Ships in 12 - 17 working days

Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Was Sind Und Was Sollen Die Zahlen? (Hardcover): Richard Dedekind Was Sind Und Was Sollen Die Zahlen? (Hardcover)
Richard Dedekind
R756 Discovery Miles 7 560 Ships in 10 - 15 working days
Vorlesungen Ãœber Zahlentheorie (Hardcover): Richard Dedekind, Peter Gustav Lejeune Dirichlet Vorlesungen Ãœber Zahlentheorie (Hardcover)
Richard Dedekind, Peter Gustav Lejeune Dirichlet
R1,047 Discovery Miles 10 470 Ships in 12 - 17 working days
Bernhard Riemann's Gesammelte mathematische Werke und Wissenschaftlicher Nachlass (Hardcover): Heinrich Weber, Bernhard... Bernhard Riemann's Gesammelte mathematische Werke und Wissenschaftlicher Nachlass (Hardcover)
Heinrich Weber, Bernhard Riemann, Richard Dedekind
R1,049 Discovery Miles 10 490 Ships in 12 - 17 working days
Essays on the Theory of Numbers (Hardcover): Richard Dedekind Essays on the Theory of Numbers (Hardcover)
Richard Dedekind
R662 Discovery Miles 6 620 Ships in 10 - 15 working days
Stetigkeit Und Irrationale Zahlen (Hardcover): Richard Dedekind Stetigkeit Und Irrationale Zahlen (Hardcover)
Richard Dedekind
R680 Discovery Miles 6 800 Ships in 10 - 15 working days
Stetigkeit und Irrationale Zahlen (German, Paperback): Richard Dedekind Stetigkeit und Irrationale Zahlen (German, Paperback)
Richard Dedekind
R310 Discovery Miles 3 100 Ships in 12 - 17 working days
Gesammelte mathematische Werke und wissenschaftlicher Nachlass (German, Paperback): Richard Dedekind, Heinrich Weber, Bernhard... Gesammelte mathematische Werke und wissenschaftlicher Nachlass (German, Paperback)
Richard Dedekind, Heinrich Weber, Bernhard Riemann
R1,540 Discovery Miles 15 400 Ships in 10 - 15 working days
Was sind und was sollen die Zahlen? (Paperback): Richard Dedekind Was sind und was sollen die Zahlen? (Paperback)
Richard Dedekind
R798 Discovery Miles 7 980 Ships in 12 - 17 working days

The nineteenth century saw the paradoxes and obscurities of eighteenth-century calculus gradually replaced by the exact theorems and statements of rigorous analysis. It became clear that all analysis could be deduced from the properties of the real numbers. But what are the real numbers and why do they have the properties we claim they do? In this charming and influential book, Richard Dedekind (1831-1916), Professor at the Technische Hochschule in Braunschweig, showed how to resolve this problem starting from elementary ideas. His method of constructing the reals from the rationals (the Dedekind cut) remains central to this day and was generalised by Conway in his construction of the 'surreal numbers'. This reissue of Dedekind's 1888 classic is of the 'second, unaltered' 1893 edition.

Theory of Algebraic Integers (Paperback, New): Richard Dedekind Theory of Algebraic Integers (Paperback, New)
Richard Dedekind; Translated by John Stillwell; Introduction by John Stillwell
R1,418 Discovery Miles 14 180 Ships in 12 - 17 working days

The invention of ideals by Dedekind in the 1870s was well ahead of its time, and proved to be the genesis of what today we would call algebraic number theory. His memoir 'Sur la Theorie des Nombres Entiers Algebriques' first appeared in instalments in the 'Bulletin des sciences mathematiques' in 1877. This is a translation of that work by John Stillwell, who also adds a detailed introduction that gives the historical background as well as outlining the mathematical obstructions that Dedekind was striving to overcome. Dedekind's memoir gives a candid account of his development of an elegant theory as well as providing blow-by-blow comments as he wrestled with the many difficulties encountered en route. A must for all number theorists.

Essays on the Theory of Numbers (Paperback): Richard Dedekind Essays on the Theory of Numbers (Paperback)
Richard Dedekind
R214 Discovery Miles 2 140 Ships in 10 - 15 working days
Bernard Riemann's gesammelte mathematische Werke und wissenschaftlicher Nachlass (German, Paperback): Bernhard Riemann Bernard Riemann's gesammelte mathematische Werke und wissenschaftlicher Nachlass (German, Paperback)
Bernhard Riemann; Edited by Richard Dedekind, Heinrich Martin Weber
R1,407 Discovery Miles 14 070 Ships in 12 - 17 working days

Great mathematicians write for the future and Georg Friedrich Bernhard Riemann (1826-66) was one of the greatest mathematicians of all time. Edited by Heinrich Martin Weber, with assistance from Richard Dedekind, this edition of his collected works in German first appeared in 1876. Riemann's interests ranged from pure mathematics to mathematical physics. He wrote a short paper on number theory which provided the key to the prime number theorem, and his zeta hypothesis has given mathematicians the most famous of today's unsolved problems. Moreover, his famous 1854 lecture 'On the hypotheses which underlie geometry' set in motion studies which culminated in Einstein's general theory of relativity. Even Riemann's over-optimistic use of the Dirichlet principle to prove the conformal mapping theorem turned out to be immensely fruitful. The alert reader will further profit from finding here the seeds of modern distribution theory, algebraic topology and measure theory.

Bernhard Riemann's Gesammelte mathematische Werke und Wissenschaftlicher Nachlass (Paperback): Heinrich Weber, Bernhard... Bernhard Riemann's Gesammelte mathematische Werke und Wissenschaftlicher Nachlass (Paperback)
Heinrich Weber, Bernhard Riemann, Richard Dedekind
R803 Discovery Miles 8 030 Ships in 10 - 15 working days
Vorlesungen Ãœber Zahlentheorie: Richard Dedekind, Peter Gustav Lejeune Dirichlet Vorlesungen Ãœber Zahlentheorie
Richard Dedekind, Peter Gustav Lejeune Dirichlet
R798 Discovery Miles 7 980 Ships in 10 - 15 working days
Stetigkeit Und Irrationale Zahlen: Richard Dedekind Stetigkeit Und Irrationale Zahlen
Richard Dedekind
R340 Discovery Miles 3 400 Ships in 10 - 15 working days
Was Sind Und Was Sollen Die Zahlen? (Paperback): Richard Dedekind Was Sind Und Was Sollen Die Zahlen? (Paperback)
Richard Dedekind
R401 Discovery Miles 4 010 Ships in 10 - 15 working days
Essays on the Theory of Numbers (Paperback): Richard Dedekind Essays on the Theory of Numbers (Paperback)
Richard Dedekind
R245 R205 Discovery Miles 2 050 Save R40 (16%) Ships in 10 - 15 working days

Two most important essays by the famous German mathematician: First provides an arithmetic, rigorous foundation for the irrational numbers, thereby a rigorous meaning of continuity in analysis. Second is an attempt to give logical basis for transfinite numbers and properties of the natural numbers.

Vorlesung UEber Differential- Und Integralrechnung 1861/62 (German, Paperback, Softcover Reprint of the Original 1st 1985 ed.):... Vorlesung UEber Differential- Und Integralrechnung 1861/62 (German, Paperback, Softcover Reprint of the Original 1st 1985 ed.)
Richard Dedekind
R1,600 Discovery Miles 16 000 Ships in 10 - 15 working days

1. VORSTELLUNG DES ZAHLENGEBIETES Wir konnen jede ganze Zahl bildlich oder geometrisch darstellen. Nehmen wir zum Beispiel eine Linie von beliebiger Lange an, und auf derselben einen Punkt o. So konnen wir die Zahl eins so darstellen, indem wir eine beliebige konstante Lange auf dieser vom Nullpunkt aus nach rechts auftragen. Dieses Stuck reprasen- tirt uns also die Zahl eins. Wollen wir die Zahl 2 geometrisch darstellen, so wissen wir, dass 2 = 1 + 1 ist. Wir haben also nur die Einheit zweimal vom Nullpunkt aus aufzutragen, oder von 1 aus noch einmal und erhalten das geometrische Bild der Zahl 2 . Urn das Bild der Zahl 3 zu erhalten, konnen wir unsere Langeneinheit dreimal vom Nullpunkt aus auftragen. Ebenso k- nen wir 4,5,6,7,8 ... bis bildlich darstellen. Wollen wir hingegen eine gebrochene Zahl geometrisch darstellen, zum Beispiel t, so waren wir dies mit unsern Langeneinheiten 7 3 3 nicht imstande, denn 4 = 14 ' und 4 ist eine Grosse, die kleiner ist als 1. Wir mussen daher unsere Lange in noch klei- nere Theile eintheilen und zwar in Viertel. Dann sind wir erst 7 imstande, 4 geometrisch darzustellen.

Was Sind Und Was Sollen Die Zahlen?. Stetigkeit Und Irrationale Zahlen (German, Paperback, 10th 10. Aufl. 1965 ed.): Richard... Was Sind Und Was Sollen Die Zahlen?. Stetigkeit Und Irrationale Zahlen (German, Paperback, 10th 10. Aufl. 1965 ed.)
Richard Dedekind
R1,523 Discovery Miles 15 230 Ships in 10 - 15 working days
UEber Die Theorie Der Ganzen Algebraischen Zahlen (German, Paperback, Softcover Reprint of the Original 1st 1964 ed.): Richard... UEber Die Theorie Der Ganzen Algebraischen Zahlen (German, Paperback, Softcover Reprint of the Original 1st 1964 ed.)
Richard Dedekind
R1,826 Discovery Miles 18 260 Ships in 10 - 15 working days

Zur Rechtfertigung dieser Edition von Dedekinds beruhmtem elften Supplement zu Dirichlets "Vorlesungen uber Zahlentheorie" kann ich keine besseren Worte finden als die von Dedekind selbst am Schluss seines Vorworts zur zweiten Auflage dieser "V orlesungen" (1871): "Endlich habe ich mich bemuht, uberall, wo es mir moglich war, auf die Quellen zu verweisen, um den Leser zum Studium der Original werke zu veranlassen und in ihm ein Bild von den Fortschritten der Wissenschaft zu erwecken, deren ebenso tiefe wie erhabene Wahrheiten einen Schatz bilden, welcher die unvergangliche Frucht eines wahrhaft edelen Wett kampfes der europaischen Volker ist. " Das elfte Supplement, das zuerst in der dritten Auflage erschien, war eine Neufassung eines bedeutenden Abschnittes ( 159-170) des zehnten Supplementes der zweiten Auflage. Uber diesen Abschnitt schreibt Dedekind im Vorwort zur zweiten Auflage: "Endlich habe ich in dieses Supplement eine allgemeine Theorie der Ideale aufgenommen, um auf den Hauptgegenstand des ganzen Buches von einem hoheren Standpunkte aus ein neues Licht zu werfen; hierbei habe ich mich freilich auf die Darstellung der Grundlagen beschranken mussen, doch hoffe ich, dass das Streben nach charakteristischen Grund begriffen, welches in anderen Teilen der Mathematik mit so schonen Erfolgen gekront ist, mir nicht ganz missgluckt sein moge. " Schon vor Dedekind hatte Kronecker eine Idealtheorie der algebraischen Zahlkorper entwickelt, aber die Dedekindsche Theorie ist unabhangig von der Kroneckerschen entstanden."

Was sind und was sollen die Zahlen? (German, Paperback, 9. Aufl. 1961): Richard Dedekind Was sind und was sollen die Zahlen? (German, Paperback, 9. Aufl. 1961)
Richard Dedekind
R1,520 Discovery Miles 15 200 Ships in 10 - 15 working days

The nineteenth century saw the paradoxes and obscurities of eighteenth-century calculus gradually replaced by the exact theorems and statements of rigorous analysis. It became clear that all analysis could be deduced from the properties of the real numbers. But what are the real numbers and why do they have the properties we claim they do? In this charming and influential book, Richard Dedekind (1831 1916), Professor at the Technische Hochschule in Braunschweig, showed how to resolve this problem starting from elementary ideas. His method of constructing the reals from the rationals (the Dedekind cut) remains central to this day and was generalised by Conway in his construction of the 'surreal numbers'. This reissue of Dedekind's 1888 classic is of the 'second, unaltered' 1893 edition.

Essays On The Theory Of Numbers (Hardcover): Richard Dedekind Essays On The Theory Of Numbers (Hardcover)
Richard Dedekind; Translated by Wooster Woodruff Beman
R936 Discovery Miles 9 360 Ships in 10 - 15 working days

This Is A New Release Of The Original 1901 Edition.

Essays On The Theory Of Numbers (Paperback): Richard Dedekind Essays On The Theory Of Numbers (Paperback)
Richard Dedekind; Translated by Wooster Woodruff Beman
R647 Discovery Miles 6 470 Ships in 10 - 15 working days

This Is A New Release Of The Original 1901 Edition.

Essays on the Theory of Numbers (Hardcover): Richard Dedekind Essays on the Theory of Numbers (Hardcover)
Richard Dedekind; Translated by Wooster Woodruff Beman
R939 Discovery Miles 9 390 Ships in 10 - 15 working days

I. Continuity and Irrational Numbers. II. The Nature and Meaning of Numbers.

Essays on the Theory of Numbers (Paperback): Richard Dedekind Essays on the Theory of Numbers (Paperback)
Richard Dedekind; Translated by Wooster Woodruff Beman
R577 Discovery Miles 5 770 Ships in 10 - 15 working days

I. Continuity and Irrational Numbers. II. The Nature and Meaning of Numbers.

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