North Atlantic Treaty Organization

Variable Stars As Essential Astrophysical Tools: Proceedings of the Nato Advanced Study Institute, Held in Cesme, Turkey, from August 31-september 10, 1998 - Nato Science Series C North Atlantic Treaty Organization

Marc Notes: Proceedings of the NATO Advanced Study Institute on Variable Stars as Essential Astrophysical Tools, Ce, sme, Turkey, August 31-September 10, 1998--T.p. verso.; Published in cooperation with NATO Scientific Affairs Division.; Includes bibliographical references and indexesBrief Description: Proceedings of the NATO Advanced Study Institute, held in Cesme, Turkey, from August 31 - September 10, 1998"Table of Contents: Preface; C. Ibanogammalu. Scientific Organizing Committee. Conference Photograph. List of Participants. I. Basic Aspects of Stellar Structure and Pulsation; J. Christensen-Dalsgaard, W. A. Dziembowski. II. An Introduction to Helioseismology; J. Christensen-Dalsgaard, et al. Solar Models and Helioseismology; M. Yildiz. III. Astrophysical Equation of State and Opacity; W. Dappen, J. A. Guzik. IV. Introduction to Asteroseismology of delta Scuti Stars; J. A. Guzik. The Pulsational Behaviour of Variable Stars in The Lower Part of the Instability Strip; E. Poretti. 57 Tau, a delta Scuti Star in Binary System in the Hyades; M. Paparo, E. Rodriguez, Z. Kollath. V. Evolution and Hydrodynamics of Rotating Stars; R. G. Deupree, J. A. Guzik. VI. Techniques of Collection, Reduction and Analysis of Data of Pulsating Stars I: Multi-Band Multi-Longitude Campaigns; F. M. Zerbi. Techniques of Collection, Reduction and Analysis of Data of Pulsating Stars II: Cluster Surveys, Multi-Band Observations, New Approaches for gamma Doradus and delta Scuti Stars; F. M. Zerbi. Simultaneous Light Curve, Color Curve and Line Profile Fitting for Pulsating Stars. Objects in lower part of Cepheid Instability Strip: delta Scuti and gamma Doradus Stars; F. M. Zerbi. VII. An Introduction to Ap Stars, roAp Stars and the Asteroseismology of roAp Stars; D. W. Kurtz. Evidence for, and Development of, the Oblique Pulsator Model; D. W. Kurtz. Long-term Monitoring of Cyclic Frequency Variability in roAp Stars; D. W. Kurtz. Multi-color Observations and Atmospheric Level Effects in roAp Stars; D. W. Kurtz. Asteroseismology Versus Astrometry. Testing p-mode Predictions for roAp stars againstHipparcos; J. Matthews. Pulsational Radial Velocity Studies of roAp Stars &ggr; Equulei, 33 Librae, H. D. 134214, HR 1217, and HD 122970; A. P. Hatzes, et al. Asteroseismology with a Spatial Resolution: Prospects for Rapid RV-Spectroscopy of roAp Stars; D. E. Mkrtichian, et al. VIII. Asteroseismology of Cepheids; E. Poretti. On the Normalization of Cepheid Period-Luminosity Relationships; I. Iben, Jr. IX. Theoretical Models of &ggr; Doradus Variables; A. B. Kaye, et al. Gamma Doradus Stars: Observational Constraints to Theoretical Models; F. M. Zerbi, A. B. Kaye. X. Trend Analysis of Long Period Variables; J. A. Mattei, G. Foster. Absolute magnitudes of M Type Semi-regular Variables in Hipparcos Catalogue; Z. Aslan, C. Yeşilyaprak. XI. Pulsating White Dwarf Stars; S. D. Kawaler. XII. The O&endash; C Diagram; C. Sterken. Period Changes as a Tool to Study Stellar Evolution; G. Handler. XIII. Binary Stars. Apisidal Motion in Close Binaries; C. İbanoğlu. Apsidal Motion Studies for DI Her; M. Yldiz, et al. Irradiation Effects and Light Curve Solution of Close Hot Binaries; H. Drechsel. Orbital Period Variations of Some Algol-Type Binaries; S. O. Selam, O. Demircan. Period Changes as a Tool to Study Unseen Components Around Eclipsing Binaries; O. Demircan. Asymmetry in the Light Curves of Massive Binaries; O. Demircan. On the Gravity Darkening of Eclipsing Variables of W UMa Type; P. G. Niarchos. UBP Photometry of the Massive Eclipsing Binary TT Aurigae; S. ozdemir, et al. Orbital Period Changes and Global Evolution of Contact Binaries; H. Rovithis-Livaniou, A. Kalimeris. Det"

Contributor Bio:  North Atlantic Treaty Organization Dedication. Preface. Acknowledgments. Clifford Geometric Algebras in Multilinear Algebra and Non-Euclidean Geometries.- Geometric algebra Projective Geometries; Affine and other geometries; Affine Geometry of pseudo-euclidean space; Conformal Geometry and the Horosphere; References. Content-Based Information Retrieval by Group Theoretical Methods.- Introduction; Motivating Examples; General Concept; Fault Tolerance.- Applications, Prototypes, and Test Results; Related Work and Future Research; References.- Four Problems in Radar.-Introduction; Radar Fundamentals; Radar Waveforms; Signal Processing; Space-Time Adaptive Processing; Four Problems in Radar; Conclusions. Introduction to Generalized Classical and Quantum Signal and System Theories on Groups and Hypergroups.-Generalized classical signal/system theory on hypergroups; Generalized quantum signal/system theory on hypergroups; Conclusion; References. Lie Groups and Lie Algebras in Robotics.- Introduction -- Rigid Body Motions; Lie Groups; Finite Screw Motions; Mechanical Joints; Invisible Motion and Gripping; Forward Kinematics; Lie Algebra; The Adjoint Representation; The Exponential Map Derivatives of Exponentials; Jacobians; Concluding Remarks; References. Quantum/Classical Interface: a Geometric Approach from the Classical Side.- Introduction Paravector Space as Spacetime; Eigenspinors; Spin; Dirac Equation; Bell's Theorem; Qubits and Entanglement; Conclusions; References. PONS, Reed-Muller Codes, and Group Algebras.- Introduction; Analytic Theory of One-Dimensional PONS (Welti); Shapiro Sequences, Reed-Muller Codes, and Functional Equations; Group Algebras; Reformulation of Classical PONS; Group Algebra of Classical PONS; GroupAlgebra Convolution; Splitting Sequences; Historical Appendix on PONS; References. Clifford Algebras as a Unified Language.- Introduction; Clifford algebras as models of physical spaces; Clifford Algebras as Models of Perceptual Multicolor Spaces; Hypercomplex-Valued invariants of nD multicolor images; Conclusions; Acknowledgments; References. Recent Progress and Applications in Group FFTs.-Introduction; Finite group FFTs; FFTs for compact groups; Noncompact groups; References. Group Filters and Image Processing.- Introduction: Classical Digital Signal Processing; Abelian Group DSP; Nonabelian Groups; Examples; Group Transforms; Group Filters; Line-like Images; Acknowledgments; References. A Geometric Algebra Approach to Some Problems of Robot Vision.- Introduction; Local Analysis of Multi-dimensional Signals; Knowledge Based Neural Computing; Acknowledgments; References. Group Theory in Radar and Signal Processing.- Introduction; How a Radar Works; Representations; Representations and Radar; Ambiguity Functions; The Wide Band Case; References. Geometry of Paravector Space with Applications to Relativistic Physics.- Clifford Algebras in Physics; Paravector Space as Spacetime; Interpretation; Eigenspinors; Maxwell's Equation; Conclusions; References. A Unified Approach to Fourier-Clifford-Prometheus Transforms- Introduction; New construction of classical and multiparametric Prometheus transforms; PONS associated with Abelian groups; Fast Fourier-Prometheus Transforms; Conclusions; Acknowledgments; References. Fast Color Wavelet Transforms.- Introduction; Color images; Color Wavelet-Haar-Prometheus transforms; Edge detection and compression of color images; Conclusion; Acknowledgments; References. Selected Problems; Various Authors.- Transformations of Euclidean Space and Clifford Geometric; Algebra; References; On the Distribution of Kloosterman Sums on Polynomials over Quaternions; References; Harmonic Sliding Analysis Problems; References; Spectral Analysis under Conditions of Uncertainty; A Canonical Basis for Maximal Tori of the Reductive Centrizer of a Nilpotent Element; References; 6 The Quantum Chaos Conjecture References; Four Problems in Radar; Topic Index; Author Index