Academic literature on the topic 'Thiele’s differential equation'

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Journal articles on the topic "Thiele’s differential equation"

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Steffensen, Mogens. "A no arbitrage approach to Thiele’s differential equation." Insurance: Mathematics and Economics 27, no. 2 (2000): 201–14. http://dx.doi.org/10.1016/s0167-6687(00)00048-2.

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Norberg, Ragnar. "Hattendorff's theorem and Thiele's differential equation generalized." Scandinavian Actuarial Journal 1992, no. 1 (1992): 2–14. http://dx.doi.org/10.1080/03461238.1992.10413894.

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Møller, Christian Max. "A stochastic version of Thiele's differential equation." Scandinavian Actuarial Journal 1993, no. 1 (1993): 1–16. http://dx.doi.org/10.1080/03461238.1993.10413910.

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Norberg, Ragnar, and Christian Max Møller. "Thiele's differential equation with stochastic interest of diffusion type." Scandinavian Actuarial Journal 1996, no. 1 (1996): 37–49. http://dx.doi.org/10.1080/03461238.1996.10413961.

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Linnemann, Per. "On the application of Thiele's differential equation in life insurance." Insurance: Mathematics and Economics 13, no. 1 (1993): 63–74. http://dx.doi.org/10.1016/0167-6687(93)90536-x.

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Ramlau-Hansen, Henrik. "Thiele's differential equation as a tool in product development in life insurance." Scandinavian Actuarial Journal 1990, no. 2-3 (1990): 97–104. http://dx.doi.org/10.1080/03461238.1990.10413874.

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Norberg, Ragnar. "Addendum to Hattendorff's Theorem and Thiele's Differential Equation Generalized, SAJ 1992, 2–14." Scandinavian Actuarial Journal 1996, no. 1 (1996): 50–53. http://dx.doi.org/10.1080/03461238.1996.10413962.

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Hanyka, Jiří, and Alena Fialová. "The course of consecutive reactions inside a nonisotropic catalyst particle, affected by internal difusion." Collection of Czechoslovak Chemical Communications 51, no. 1 (1986): 54–65. http://dx.doi.org/10.1135/cccc19860054.

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A system of differential equations for consecutive reactions inside a nonisotropic catalyst particle under conditions of internal diffusion is solved. The system of diffusion equations for the spherical geometry of the catalyst grain is numerically solved by using the collocation method. The solution is sought for various radial activity profiles across the catalyst particle and for various values of Thiele's modulus for the two consecutive reactions. The effect of the reaction orders with respect to the reactants on the degree of utilization of the internal catalyst surface and on the reaction selectivity is examined.
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Devolder, Pierre. "Operations Stochastiques de Capitalisation." ASTIN Bulletin 16, S1 (1986): S5—S30. http://dx.doi.org/10.1017/s0515036100011624.

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AbstractThis paper presents a stochastic model of capitalization which takes into account the financial risk in the actuarial processes.We first introduce a stochastic differential equation which allows us to define the capitalization and actualization processes.We use these concepts to present a new principle of premium calculation for the capitalization operations, based on the equality between backward reserve and conditional expectation of the forward reserve.A generalization of the classical Thiele equation in life insurance is also given.Numerical examples illustrate the model.
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Krishnaperumal, Indira, and Rajendran Lakshmanan. "An Approximate Analytical Method for the Evaluation of the Concentrations and Current for Hybrid Enzyme Biosensor." ISRN Physical Chemistry 2013 (February 17, 2013): 1–12. http://dx.doi.org/10.1155/2013/202781.

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Mathematical modeling of amperometric biosensor with cyclic reaction is discussed. Analytical expressions pertaining to the concentration of substrate, cosubstrate, reducing agent and medial product and current for hybrid enzyme biosensor are obtained in terms of Thiele module and saturation parameters. In this paper, a powerful analytical method, called homotopy analysis method (HAM) is used to solve the system of nonlinear differential equations. Furthermore, in this work the numerical simulation of the problem is also reported using Scilab/Matlab program. Our analytical results are compared with simulation results. A good agreement between analytical and numerical results is noted.
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Dissertations / Theses on the topic "Thiele’s differential equation"

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Messerschmidt, Reinhardt. "Hattendorff’s theorem and Thiele’s differential equation generalized." Diss., University of Pretoria, 2005. http://hdl.handle.net/2263/30476.

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Hattendorff's theorem on the zero means and uncorrelatedness of losses in disjoint time periods on a life insurance policy is derived for payment streams, discount functions and time periods that are all stochastic. Thiele's differential equation, describing the development of life insurance policy reserves over the contract period, is derived for stochastic payment streams generated by point processes with intensities. The development follows that by Norberg. In pursuit of these aims, the basic properties of Lebesgue-Stieltjes integration are spelled out in detail. An axiomatic approach to the discounting of payment streams is presented, and a characterization in terms of the integral of a discount function is derived, again following the development by Norberg. The required concepts and tools from the theory of continuous time stochastic processes, in particular point processes, are surveyed.<br>Dissertation (MSc (Actuarial Science))--University of Pretoria, 2007.<br>Insurance and Actuarial Science<br>unrestricted
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Lemos, Alice Loureiro Leocádio Botelho de. "A study on Thiele's Differential Equation." Master's thesis, Instituto Superior de Economia e Gestão, 2014. http://hdl.handle.net/10400.5/7975.

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Mestrado em Ciências Actuariais<br>Thorvald Nicolai Thiele foi um importante investigador dinamarquês. Entre os seus contributos, destaca-se em particular o facto de ter provado que para um seguro de vida inteira com benefício de valor 1, emitido sobre uma pessoa e pago imediatamente após a morte, as reservas prospetivas satisfazem uma equação diferencial linear: a chamada equação diferencial de Thiele. De um modo mais geral, as equações diferenciais de Thiele são um sistema diferencial linear de equações que descrevem a dinâmica das reservas nos seguros de vida e pensões em tempo contínuo. Este texto tem como principal objetivo rever de forma tão completa quanto possível as contribuições relacionadas com a equação de Thiele que foram surgindo ao longo do tempo, dando assim o presente estado de arte deste relevante tópico. Começando por fazer uma revisão breve do essencial da matemática atuarial avança depois para a derivação da equação de Thiele, considerando os dois modelos de mortalidade, o clássico e o de múltiplos estados, sobre uma pessoa e sobre várias pessoas. Algumas ilustrações, para vários tipos de contrato, são seguidamente introduzidas. Dos desenvolvimentos conhecidos, dá-se especial destaque às generalizações da equação diferencial que incluem um processo estocástico de pagamentos e um processo de difusão para a taxa de juro. Apresenta-se também o uso da equação como ferramenta para o desenvolvimento de produtos de seguro de vida e descreve-se uma generalização da equação diferencial para uma carteira fechada de seguros. A última parte do trabalho faz um resumo de outros contributos relacionados com a equação.<br>Thiele's differential equation has a long history, dating back to an unpublished note of Thiele, 1875. Thorvald Nicolai Thiele was a Danish researcher who worked as an actuary, astronomer, mathematician and statistician. He proved that for a whole life assurance of a single individual with benefit of amount 1, payable immediately on death, the prospective reserve satisfies a certain linear differential equation, which is extremely useful for the understanding of reality: Thiele's differential equation. In a more general framework, Thiele's differential equations for the prospective reserve are a linear system of differential equations describing the dynamics of reserves in life and pension insurance in continuous time. This text has the main purpose of reviewing in a comprehensive way the contributions related to Thiele's equation that appeared over time, presenting the status of the art on this important topic. A revision of life insurance mathematics is first and then Thiele?s differential equation is derived under the classical and multiple state model of human mortality for one life and for multiple lives After this, some illustrations are presented under different types of contracts. Following the developments in the literature, more general differential equations are obtained, including a stochastic payment process and a diffusion process for interest rate. The technique of using Thiele's differential equation as a tool for life insurance product development and the generalization of the equation for a closed insurance portfolio are also discussed. Finally, other developments are summarised.
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