What is the probability density for a given exponential functional integral?

In summary, the conversation discusses a question about the law of a given integral, specifically when $\mu(s) = -\nu s$ and $h(s)=1$. The law for this case is known and can be found in Marc Yor's book "Exponential Functionals of Brownian Motion and Related Processes".
  • #1
gnob
11
0
Good day!
I have a question regarding the law of the ff:
$$
\int_0^t h(s) e^{2\beta(\mu(s) + W_s)}
$$
where $\beta >0;$ $h,\mu$ are continuous functions on $\mathbb{R}_+$ with $h\geq 0;$
and $W=\{W_s,s\geq 0\}$ is a standard Brownian motion.

Thanks for any help.:D
 
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  • #2
gnob said:
Good day!
I have a question regarding the law of the ff:
$$
\int_0^t h(s) e^{2\beta(\mu(s) + W_s)}
$$
where $\beta >0;$ $h,\mu$ are continuous functions on $\mathbb{R}_+$ with $h\geq 0;$
and $W=\{W_s,s\geq 0\}$ is a standard Brownian motion.

Thanks for any help.:D

Please, can You better explain what is the question You have?...

Kind regards

$\chi$ $\sigma$
 
  • #3
gnob said:
Good day!
I have a question regarding the law of the ff:
$$
\int_0^t h(s) e^{2\beta(\mu(s) + W_s)}
$$
where $\beta >0;$ $h,\mu$ are continuous functions on $\mathbb{R}_+$ with $h\geq 0;$
and $W=\{W_s,s\geq 0\}$ is a standard Brownian motion.

Thanks for any help.:D

Many thanks for the reply. What I meant of "law" is the probability density of the given integral. For the case $\mu(s) = -\nu s$ where $\nu$ is a positive constant and $h(s)=1,$ the law was already known (Corollary 1.2, p95) from Mar Yor's book given here Exponential Functionals of Brownian Motion and Related Processes - Marc Yor - Google Books .

Thanks again for any insights. :D
 

What is the Law of Exponential Functional?

The Law of Exponential Functional, also known as the Law of Exponential Growth, is a mathematical concept that states that a quantity will increase at a rate proportional to its current value.

What is the formula for calculating exponential growth?

The formula for calculating exponential growth is A = A0 * (1+r)^t, where A is the final value, A0 is the initial value, r is the growth rate, and t is the time period.

What are some real-life examples of exponential growth?

Some real-life examples of exponential growth include population growth, compound interest, and the spread of diseases or viruses.

What is the difference between linear and exponential growth?

Linear growth is characterized by a constant increase in quantity over time, while exponential growth is characterized by a rapid increase in quantity over time, with the rate of increase getting faster as the quantity grows.

How is the Law of Exponential Functional used in scientific research?

The Law of Exponential Functional is used in scientific research to model and predict the growth and behavior of various systems, such as populations, cells, and chemical reactions. It is also used in data analysis and forecasting in fields such as economics and epidemiology.

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