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Dual sets of envelopes and characteristic regions of quasi-polynomials /
Existence and nonexistence of roots of functions involving one or more parameters has been the subject of numerous investigations. For a wide class of functions called quasi-polynomials, the above problems can be transformed into the existence and nonexistence of tangents of the envelope curves asso...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Autor Corporativo: | |
| Otros Autores: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Singapore ; Hackensack, N.J. :
World Scientific,
©2009.
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| Temas: | |
| Acceso en línea: | Texto completo |
MARC
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| 100 | 1 | |a Cheng, S. S. |q (Sui Sun) |1 https://id.oclc.org/worldcat/entity/E39PCjBmqcdFKPpGTTmP3rMGh3 | |
| 245 | 1 | 0 | |a Dual sets of envelopes and characteristic regions of quasi-polynomials / |c Sui Sun Cheng, Yi-Zhong Lin. |
| 260 | |a Singapore ; |a Hackensack, N.J. : |b World Scientific, |c ©2009. | ||
| 300 | |a 1 online resource (viii, 227 pages) : |b illustrations | ||
| 336 | |a text |b txt |2 rdacontent | ||
| 337 | |a computer |b c |2 rdamedia | ||
| 338 | |a online resource |b cr |2 rdacarrier | ||
| 504 | |a Includes bibliographical references (pages 225-226) and index. | ||
| 505 | 0 | |a 1. Prologue. 1.1. An example. 1.2. Basic definitions -- 2. Envelopes and dual sets. 2.1. Plane curves. 2.2. Envelopes. 2.3. Dual sets of plane curves. 2.4. Notes -- 3. Dual sets of convex-concave functions. 3.1. Quasi-tangent lines. 3.2. Asymptotes. 3.3. Intersections of quasi-tangent lines and vertical lines. 3.4. Distribution maps for dual points. 3.5. Intersections of dual sets of order 0. 3.6. Notes -- 4. Quasi-polynomials. 4.1. [symbol]- and [symbol]-polynomials. 4.2. Characteristic regions. 4.3. Notes -- 5. C\(0, [symbol])-characteristic regions of real polynomials. 5.1. Quadratic polynomials. 5.2. Cubic polynomials. 5.3. Quartic polynomials. 5.4. Quintic polynomials. 5.5. Notes -- 6. C\(0, [symbol])-characteristic regions of real [symbol]-polynomials. 6.1. [symbol]-polynomials involving one power. 6.2. [symbol]-polynomials involving two powers. 6.3. [symbol]-polynomials involving three powers. 6.4. Notes -- 7. C\R-characteristic regions of [symbol]-polynomials. 7.1. [symbol]-polynomials involving one power. 7.2. [symbol]-polynomials involving two powers. 7.3. [symbol]-polynomials involving three powers. 7.4. Notes. | |
| 520 | |a Existence and nonexistence of roots of functions involving one or more parameters has been the subject of numerous investigations. For a wide class of functions called quasi-polynomials, the above problems can be transformed into the existence and nonexistence of tangents of the envelope curves associated with the functions under investigation. In this book, we present a formal theory of the Cheng-Lin envelope method, which is completely new, yet simple and precise. This method is both simple - since only basic Calculus concepts are needed for understanding - and precise, since necessary and sufficient conditions can be obtained for functions such as polynomials containing more than four parameters. Since the underlying principles are relatively simple, this book is useful to college students who want to see immediate applications of what they learn in Calculus; to graduate students who want to do research in functional equations; and to researchers who want references on roots of quasi-polynomials encountered in the theory of difference and differential equations. | ||
| 588 | 0 | |a Print version record. | |
| 590 | |a ProQuest Ebook Central |b Ebook Central Academic Complete | ||
| 590 | |a eBooks on EBSCOhost |b EBSCO eBook Subscription Academic Collection - Worldwide | ||
| 650 | 0 | |a Functions, Special. | |
| 650 | 0 | |a Polynomials. | |
| 650 | 6 | |a Fonctions spéciales. | |
| 650 | 6 | |a Polynômes. | |
| 650 | 7 | |a MATHEMATICS |x Calculus. |2 bisacsh | |
| 650 | 7 | |a MATHEMATICS |x Mathematical Analysis. |2 bisacsh | |
| 650 | 7 | |a Functions, Special |2 fast | |
| 650 | 7 | |a Polynomials |2 fast | |
| 700 | 1 | |a Lin, Yi-Zhong, |d 1936- |1 https://id.oclc.org/worldcat/entity/E39PCjwckpqPDWQHRjPQJRhdkP | |
| 710 | 2 | |a World Scientific (Firm) | |
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