Operational Calculus: A Theory Of Hyperfunctions: 55 - Brossura

Yosida, Kosaku

Brossura

ISBN 10: 0387960473 ISBN 13: 9780387960470

Casa editrice: Springer, 2013

Riassunto

In the end of the last century, Oliver Heaviside inaugurated an operational calculus in connection with his researches in electromagnetic theory. Mikusinski's operational calculus gives a satisfactory basis of Heaviside's operational calculus;

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Contenuti

I. Integration Operator h and Differentiation Operator s (Classes of Hyperfunctions: C and CH).- I. Introduction of the Operator h Through the Convolution Ring C.- 1. Convolution Ring.- 2. Operator of Integration h.- II. Introduction of the Operator s Through the Ring CH.- 3. The Ring CH and the Identity Operator I = h/h.- 4. CH as a Class of Generalized Functions of Hyperfunctions.- 5. Operator of Differentiation s and Operator of Scalar Multiplication [?].- 6. The Theorem $$\frac{I}{{s - [\alpha ]}} = {e^{\alpha t}}$$.- III. Linear Ordinary Differential Equations with Constant Coefficients.- 7. The Conversion of the Initial Value Problem for the Differential Equation into a Hyperfunction Equation.- 8. The Polynomial Ring of Polynomials in s has no Zero Factors.- 9. The Partial Fraction Decomposition of a Rational Function of s.- 10. Hyperfunction Solution of the Ordinary Differential Equation (The Operational Calculus).- 11. Boundary Value Problems for Ordinary Differential Equations.- IV. Fractional Powers of Hyperfunctions h, s and $$\frac{I}{{S - \alpha }}$$.- 12. Euler’s Integrals — The Gamma Function and Beta Function.- 13. Fractional Powers of h, of (s-?)?1, and of (s-?).- V. Hyperfunctions Represented by Infinite Power Series in h.- 14. The Binomial Theorem.- 15. Bessel’s Function Jn(t).- 16. Hyperfunctions Represented by Power Series in h.- II. Linear Ordinary Differential Equations with Linear Coefficients (The Class C/C of Hyperfunctions).- VI. The Titchmarsh Convolution Theorem and the Class C/C.- 17. Proof of the Titchmarsh Convolution Theorem.- 18. The Class C/C of Hyperfunctions.- VII. The Algebraic Derivative Applied to Laplace’s Differential Equation.- 19. The Algebraic Derivative.- 20. Laplace’s Differential Equation.- 21. Supplements. I: Weierstrass’ Polynomial Approximation Theorem. II: Mikusi?ski’s Theorem of Moments.- III. Shift Operator exp(??s) and Diffusion Operator exp(??s1/2).- VIII. Exponential Hyperfunctions exp(??s) and exp(??s1/2).- 22. Shift Operator exp(??s) = e??sFunction Space K = K[0,?).- 23 Hyperfunction-Valued Function f(?) and Generalized Derivative $$\frac{d}{{d\lambda }}f\left( \lambda \right) = f'\left( \lambda \right)$$.- 24. Exponential Hyperfunction exp(?s)=e?s.- 25. Examples of Generalized Limit. Power Series in e?s.- $$\int_{0}^{\infty } {{{e}^{{ - \lambda s}}}} f\left( \lambda \right)d\lambda = \left\{ {f\left( t \right)} \right\}For\left\{ {f\left( t \right)} \right\} \in C$$.- 27. Logarithmic Hyperfunction w and Exponential Hyperfunction exp $$ \left( { - \lambda {{s}^{{1/2}}}} \right) = {{e}^{{ - \lambda {{s}^{{{{1} \left/ {2} \right.}}}}}}} $$.- 28. Logarithmic Hyperfunction w and Exponential Hyperfunction exp(?w).- IV. Applications to Partial Differential Equations.- IX. One DimensionaL Wave Equation.- 29. Hyperfunction Equation of the form f?(?) — w2f(?) = g(?), w ? C/C.- 30. The Vibration of a String.- 31. D’Alembert’s Method.- 32. The Vibration of an Infinitely Long String.- X. Telegraph Equation.- 33. The Hyperfunction Equation of the Telegraph Equation.- 34. A Cable With Infinitely Small Loss.- X. (cont.).- 35. Conductance Without Deformation.- 36. The Thomson Cable.- 37. Concrete Representations of exp $$\left( { - \lambda \sqrt {\alpha s + \beta } } \right) $$.- 38. A Cable without Self-Induction.- 39. A Cable without Leak-Conductance.- 40. The Case Where All the Four Parameters Are Positive.- Positive.- XI. Heat Equation.- 41. The Temperature of a Heat-Conducting Bar.- 42. An Infinitely Long Bar.- 43. A Bar Without an Outgoing Flow of Heat.- 44. The Temperature in a Bar with a Given Initial Temperature.- 45. A Heat-Conducting Ring.- 46. Non-Insulated Heat Conduction.- Answers to Exercises.- Formulas and Tables.- References.- Propositions and Theorems in Sections.

Product Description

Book by Yosida Kosaku

Dettagli dell'edizione

• Editore: Springer
• Data di pubblicazione: 2013
• Lingua: Inglese
• ISBN 10: 0387960473
• ISBN 13: 9780387960470
• Rilegatura: Copertina flessibile
• Numero di pagine: 184
• Contatto del produttore: Springer Nature Customer Service Center GmbH; ProductSafety@springernature.com; ; Europaplatz 3; Heidelberg; 69115; Germania