Alle Bände

L'Enseignement Mathématique

L'Enseignement Mathématique Volume 36 (1990)
Überschrift Seite
Issue 1-2: L'ENSEIGNEMENT MATHÉMATIQUE
Front matter
PDF
Table of Contents
PDF
Front matter
PDF
Index
PDF
Front matter
PDF
Article: STATE MODELS FOR LINK POLYNOMIALS
PDF
1
Chapter: I. Introduction
PDF
1
Chapter: II. Skein polynomials
PDF
2
Chapter: III. A SKEIN MODEL FOR THE HOMFLY POLYNOMIAL
PDF
9
Chapter: IV. A Skein Model for the Kauffman polynomial
PDF
12
Chapter: V. Graph polynomials
PDF
14
Chapter: VI. The Conway Polynomial
PDF
18
Kapitel: VII. Yang-Baxter Models
PDF
21
Kapitel: VIII. Applications and questions
PDF
27
Kapitel: IX. Relations with mathematical physics
PDF
28
Anhang: Appendix on state model formalism
PDF
31
Bibliographie
PDF
33
Artikel: GAUSS SUMS AND THEIR PRIME FACTORIZATION
PDF
39
Kapitel: Introduction
PDF
39
Kapitel: 1. Gauss sums and some of their properties
PDF
39
Kapitel: 2. The prime factorization of p in Q(pm)
PDF
42
Kapitel: 3. The prime factorization of the Gauss sum: statement of the result
PDF
43
Kapitel: 4. A USEFUL LEMMA
PDF
44
Kapitel: 5. The prime factorization of the Gauss sum: proof of the result
PDF
46
Kapitel: 6. Annihilators of the ideal class group of a cyclotomic field
PDF
47
Bibliographie
PDF
51
Artikel: EXCEPTIONAL POLYNOMIALS AND THE REDUCIBILITY OF SUBSTITUTION POLYNOMIALS
PDF
53
Kapitel: 1. Introduction
PDF
53
Kapitel: 2. The semi-factorable families
PDF
55
Kapitel: 3. Substitution polynomials with a quadratic factor
PDF
58
Kapitel: 4. Substitution polynomials with a cubic factor
PDF
63
Bibliographie
PDF
65
Artikel: THE POMPEIU PROBLEM REVISITED
PDF
67
Kurzfassung
PDF
67
Kapitel: 1. Introduction
PDF
67
Kapitel: 2. Spectral analysis of radial functions
PDF
70
Kapitel: 3. POMPEIU PROBLEM FOR THE M(2) ACTION ON $R^2$
PDF
73
Kapitel: 4. A LONG-STANDING CONJECTURE !
PDF
77
Kapitel: 5. Pompeiu property in non-compact symmetric spaces
PDF
78
Kapitel: 6. Symmetric spaces of the compact type
PDF
82
Kapitel: 7. Pompeiu property for two-sided translations on groups
PDF
85
Kapitel: 8. CONCLUDING REMARKS
PDF
88
Bibliographie
PDF
89
Artikel: LINK SIGNATURE, GOERITZ MATRICES AND POLYNOMIAL INVARIANTS
PDF
93
Kurzfassung: Abstract
PDF
93
Kapitel: 1. P-SKEINS AND SIGNATURE
PDF
93
Kapitel: 1.1. PRELIMINARIES
PDF
93
Kapitel: 1.2. Signature and oriented skeins
PDF
95
Kapitel: 2. Goeritz matrices and the F-polynomial
PDF
100
Kapitel: 2.1. The Goeritz matrix and graph of a link
PDF
100
Kapitel: 2.2. Kauffman's polynomial and the Goeritz matrix
PDF
104
Bibliographie
PDF
113
Artikel: TOPOLOGICAL SERIES OF ISOLATED PLANE CURVE SINGULARITIES
PDF
115
Kurzfassung
PDF
115
Kapitel: 1. Introduction
PDF
115
Kapitel: 2. SPLICING AND SERIES
PDF
117
Kapitel: 3. The definition of topological series
PDF
121
Kapitel: 4. The spectrum of a plane curve singularity
PDF
125
Kapitel: 5. Invariants in the case that f has only transversal $A_1$ singularities
PDF
130
Kapitel: 6. Equations
PDF
132
Anhang: Appendix
PDF
136
Bibliographie
PDF
140
Artikel: VALUES OF QUADRATIC FORMS AT INTEGRAL POINTS: AN ELEMENTARY APPROACH
PDF
143
Anhang: Appendix Trajectories of unipotent flows and minimal sets
PDF
162
Bibliographie
PDF
173
Artikel: ON THE INVERSIVE DIFFERENTIAL GEOMETRY OF PLANE CURVES
PDF
175
Kapitel: §1. Introduction
PDF
175
Kapitel: §2. THE INFINITESIMAL COXETER INVARIANT
PDF
178
Kapitel: §3. The four vertex theorem in $R^2$
PDF
181
Kapitel: §4. A GENERALIZATION OF THE INVARIANCE OF ω
PDF
181
Kapitel: §5. A GENERALIZED FOUR VERTEX THEOREM
PDF
184
Kapitel: §6. Normal form and inversive curvature
PDF
184
Kapitel: §7. The canonical map g:γ→G
PDF
187
Kapitel: §8. Relation with Cartan's moving frames
PDF
188
Kapitel: §9. LOXODROMES
PDF
189
Kapitel: §10. The complex of geometric forms on a curve in $R^2$
PDF
192
Bibliographie
PDF
196
Rubrik: COMMISSION INTERNATIONALE DE L'ENSEIGNEMENT MATHÉMATIQUE (THE INTERNATIONAL COMMISSION ON MATHEMATICAL INSTRUCTION)
PDF
197
Kapitel: ASSESSMENT IN MATHEMATICS EDUCATION AND ITS EFFECTS
PDF
197
Kapitel: DISCUSSION DOCUMENT
PDF
197
Kapitel: Background and outline of the study
PDF
197
Kapitel: Call for papers
PDF
205
Nachruf: GEORGES DE RHAM 1903-1990
PDF
207
Bibliographie
PDF
213
Artikel: CONTACT GEOMETRY AND WAVE PROPAGATION
PDF
215
Kapitel: §1. Basic definitions
PDF
215
Kapitel: §2. Characteristics
PDF
222
Kapitel: §3. Submanifolds
PDF
235
Kapitel: §4. Legendre fibrations and singularities
PDF
246
Kapitel: §5. Legendre varieties and the obstacle problem
PDF
252
Bibliographie
PDF
265
Artikel: YANGIANS AND R-MATRICES
PDF
267
Kapitel: 0. Introduction
PDF
267
Kapitel: 1. Yangians
PDF
271
Kapitel: 2. Highest weight representations
PDF
276
Kapitel: 3. A COMBINATORIAL INTERLUDE
PDF
280
Kapitel: 4. Classification
PDF
283
Kapitel: 5. R-MATRICES AND INTERTWINING OPERATORS
PDF
294
Kapitel: 6. CONCLUDING REMARKS
PDF
299
Bibliographie
PDF
302
Artikel: EXTERIOR ALGEBRAS AND THE QUADRATIC RECIPROCITY LAW
PDF
303
Kurzfassung
PDF
303
Rubrik
PDF
304
Bibliographie
PDF
307
Artikel: THE HADAMARD-CARTAN THEOREM IN LOCALLY CONVEX METRIC SPACES
PDF
309
Chapter: 1. Introduction
PDF
309
Chapter: 2. Conjugate points
PDF
311
Chapter: 3. Proof of Theorem 1
PDF
315
Chapter: 4. COHN-VOSSEN'S THEOREM AND SPACES WITHOUT CONJUGATE POINTS
PDF
317
Bibliography
PDF
320
Article: THE DISTANCE BETWEEN IDEALS IN THE ORDERS OF A REAL QUADRATIC FIELD
PDF
321
Chapter: 1. Introduction
PDF
321
Chapter: 2. Basic definitions
PDF
322
Chapter: 3. The homomorphism θ
PDF
330
Chapter: 4. Reduced ideals
PDF
335
Chapter: 5. Lagrange's reduction procedure
PDF
337
Chapter: 6. Periods of reduced cycles
PDF
343
Chapter: 7. COMPARISON OF DISTANCES BETWEEN CORRESPONDING IDEALS IN DIFFERENT ORDERS
PDF
350
Chapter: 8. GAUSS'S REDUCTION PROCESS
PDF
352
Bibliography
PDF
357
Article: THE ROLE OF GAMES AND PUZZLES IN THE POPULARIZATION OF MATHEMATICS
PDF
359
Abstract
PDF
359
Chapter: popularization of mathematics
PDF
359
Chapter: Games and mathematics
PDF
362
Chapter: Games and puzzles as a means for popularization
PDF
364
Bibliography
PDF
368
Article: CATÉGORIES DÉRIVÉES ET DUALITÉ, TRAVAUX DE J.-L. VERDIER
PDF
369
Chapter: 1. Catégories dérivées
PDF
369
Chapter: 2. Dualité
PDF
378
Bibliography
PDF
388
Bibliography
PDF
389
Bibliography
PDF
390
Chapter: Note sur la bibliographie
PDF
391
Article: MANIN'S PROOF OF THE MORDELL CONJECTURE OVER FUNCTION FIELDS
PDF
393
Chapter: I. The Theorem of the Kernel
PDF
393
Chapter: 0. Review of connections and hypercohomology
PDF
393
Chapter: 1. Extensions of connections
PDF
395
Chapter: 2. The Gauss-Manin connection
PDF
398
Chapter: 3. Sections of a family and extensions of connections
PDF
399
Chapter: 4. Abelian schemes
PDF
402
Chapter: 5. The algebraic proof
PDF
403
Chapter: 6. The analytic proof
PDF
409
Chapter: II. PICARD-FUCHS EQUATIONS
PDF
412
Chapter: 1. PICARD-FUCHS DIFFERENTIAL EQUATIONS
PDF
412
Chapter: 2. PICARD-FUCHS COMPUTATIONS
PDF
415
Chapter: III. MORDELL'S CONJECTURE
PDF
417
Chapter: 1. Sets of bounded height
PDF
417
Chapter: 2. Lang-Siegel towers
PDF
418
Chapter: 3. COROLLARIES OF THE THEOREM OF THE KERNEL
PDF
419
Chapter: 4. Proof of Mordell's conjecture
PDF
420
Appendix: Appendix: Chai's proof of the Theorem of the Kernel
PDF
424
Bibliography
PDF
427
Rubric
PDF
Rubric: BULLETIN BIBLIOGRAPHIQUE
PDF
1
Rubric: BULLETIN BIBLIOGRAPHIQUE
PDF
27
Back matter
PDF
Back matter
PDF