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L'Enseignement Mathématique

L'Enseignement Mathématique Volume 23 (1977)
Intitulé Page
Cahier 1-2: L'ENSEIGNEMENT MATHÉMATIQUE
Pages liminaires
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Table des matières
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Pages liminaires
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Index
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Pages liminaires
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Article: KRITISCHE PUNKTE UND KRÜMMUNG FÜR DIE MENGEN DES KONVEXRINGES
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1
Bibliographie
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Article: QUADRATIC FORMS IN AN ADELIC SETTING
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Chapitre: 1. Introduction
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Chapitre: 2. The Mean Value Formula
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Chapitre: 3. Formulation of Siegel's Theorem
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Chapitre: 4. Derivation of Siegel's Theorem
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9
Bibliographie
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12
Article: ON THE EVALUATION OF GAUSSIAN SUMS FOR NON-PRIMITIVE DIRICHLET CHARACTERS
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Chapitre: 1. Introduction
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Chapitre: 2. Proof of theorem B
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Chapitre: 4. Special cases
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Bibliographie
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Article: ON THE NUMBER OF ZEROS OF FUNCTIONS
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Chapitre: 0. Introduction
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Chapitre: 1. A BASIC LEMMA
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Chapitre: 2. A USEFUL IDENTITY
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Chapitre: 3. An estimation by interpolation
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Chapitre: 4. EXPONENTIAL POLYNOMIALS
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Chapitre: 5. Further results
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Bibliographie
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Article: STABILITY OF PROJECTIVE VARIETIES
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Résumé: Contents
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Chapitre: Introduction
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Chapitre: §1. Stable points of représentation, examples and Chow forms
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Chapitre: §2. A CRITERION FOR $X^r \subset P^n$ TO BE STABLE
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Chapitre: §3. Effect of Singular Points on Stability
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Chapter: §4. Asymptotic Stability of Canonically Polarized Curves
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Chapter: §5. The Moduli Space of Stable Curves
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Chapter: LINE BUNDLES ON THE MODULI SPACE
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Appendix: APPENDIX
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Bibliography
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Article: GÉNÉRALISATION DES SUITES SPECTRALES
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Bibliography
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Article: PROFILS ET RÉDUITE TRANSJORDANIENNE D'UNE MATRICE CARRÉE
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Chapter: I. Itération d'un endomorphisme (singulier)
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Chapter: II. Analyse d'un endomorphisme f. Théorèmes préliminaires
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Chapter: III. RÉDUITE TRANSJORDANIENNE DE f
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Chapter: IV. Condition nécessaire et suffisante de similitude DE DEUX MATRICES
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Chapter: V. Applications
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Article: EXTENSION AND LIFTING OF $C^\infty$ WHITNEY FIELDS
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Bibliography
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Article: SISTEMI NORMALI DI GENERATORI PER GLI IDEALI DI Z [x]
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Preface: Premessa
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Chapter: 1. Sistemi normali
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Chapter: 2. Segnature
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Chapter: 3. Teorema Fondamentale
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Chapter: Nota
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Bibliography
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Rubric: COMMISSION INTERNATIONALE DE L'ENSEIGNEMENT MATHÉMATIQUE
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Chapter: ANNOUNCEMENT FROM THE INTERNATIONAL COMMISSION ON MATHEMATICAL INSTRUCTION ABOUT AN ICMI-SYMPOSIUM TO BE HELD AT THE INTERNATIONAL CONGRESS OF MATHEMATICIANS, HELSINKI, AUGUST 1978, ON THE FOLLOWING THEME:
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Article: THE GELFAND-NAIMARK THEOREMS FOR C*-ALGEBRAS
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Chapter: 1. Introduction
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Chapter: 2. Definitions and motivation
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Chapter: 3. Historical Development
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Chapter: 4. The Gelfand-Naimark representation theorem for commutative b*-algebras
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Chapter: 5. The Gelfand-Naimark theorem for arbitrary B*-algebras
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Chapter: 6. Geometrical characterizations of B*-algebras
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Chapter: 7. Further weakening of the B*-axioms
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Chapter: 8. Applications
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Bibliography
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Article: REPRESENTATION OF COMPLETELY CONVEX FUNCTIONS BY THE EXTREME-POINT METHOD
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Chapter: 0. Introduction
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Chapter: 1. Completely convex functions
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Chapter: 2. Determination of the extreme rays of W
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Chapter: 3. Determination of a base for W
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Bibliography
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Article: SOME CONTRIBUTIONS OF BENO ECKMANN TO THE DEVELOPMENT OF TOPOLOGY AND RELATED FIELDS
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Chapter: Introduction
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Chapter: 1. Continuous solutions of Systems of linear equations
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Chapter: 2. A group theoretical proof of the Hurwitz-Radon Theorem
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Chapter: 3. Complexes with operators
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Chapter: 5. Simple homotopy type
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Bibliography
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Article: ON THE CHARACTERISTIC CLASSES OF GROUPS OF DIFFEOMORPHISMS
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Bibliography
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Article: ALTERNATIVE HOMOTOPY THEORIES
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Chapter: 1. Introduction
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Chapter: 2. EQUIVARIANT HOMOTOPY THEORY
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Chapter: 3. Some examples
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Chapter: 4. Ex-HOMOTOPY THEORY
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Chapter: 5. The register theorem
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Chapter: 6. The exact sequence
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Chapter: 7. The adjoint G-bundle
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Chapter: 8. Examples
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Bibliography
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Article: LA (2p+1)-ÈME DÉVIATION D'UN ANNEAU LOCAL
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Chapter: Introduction
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Chapter: 2p premières déviations
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Chapter: 2p + 1-ème déviation
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Chapter: Situation générique
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Chapter: Conclusion
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Bibliography
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Article: CHARACTERISTIC NUMBERS OF 3-MANIFOLDS
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Bibliography
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Article: ON REPRESENTATION OF FUNCTIONS BY MEANS OF SUPERPOSITIONS AND RELATED TOPICS
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Abstract: CONTENTS
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Chapter: Preface
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Chapter: Chapter 1. — Survey of results
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Chapter: §1. Superpositions of analytic functions
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Chapter: §2. The problem of resolvents
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Chapter: §3. Superpositions of smooth functions and the theory of approximation
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Chapter: §4. Superpositions of continuons functions
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Chapter: §5. Linear superpositions
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Chapter: Chapter 2. — Superpositions of smooth functions
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Chapter: §1. The notion of entropy
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Chapter: §2. The entropy of the space of smooth functions
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Chapter: §3. Theorem on superpositions of smooth functions
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Chapter: Chapter 3. — Superpositions of continuous functions
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Chapter: §1. Certain improvements of Kolmogorov 's theorem
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Chapter: §2. The theorem of Kahane
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Chapter: §3. The main lemma
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Chapter: §4. The proof of the theorem
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Chapter: Chapter 4. — Linear superpositions
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Chapter: §1. Notation
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Chapter: §2. Estimate of the difference of the integrais of one term of a superposition along nearby level curves
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Chapter: §3. Deletion of dependent terms
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Chapter: §4. Reduction of linear superpositions to a form with independent terms
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Chapter: §5. The set of linear superpositions in the space of continuous functions is closed
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Chapter: §6. The set of linear superpositions in the space of continuous functions is nowhere dense
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Chapter: Chapter 5. — Dimension of the space of linear superpositions
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Chapter: §1. (ε,δ)-entropy and the "dimension" of function spaces
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Chapter: §2. (ε,δ)-entropy of the set of linear superpositions
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Chapter: §3. Functional "dimension" of the space of linear superpositions
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Chapter: §4. Variation of superpositions of smooth functions
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Chapter: §5. Instability of the representation of functions as superpositions of smooth functions
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Bibliography
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Rubric: BULLETIN BIBLIOGRAPHIQUE
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Rubric: BULLETIN BIBLIOGRAPHIQUE
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Back matter
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Back matter
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