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Results tagged with positivity
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user 172600
-1
votes
1
answer
58
views
Seek help to formalize an argument to positiveness of function defined inductively by integral [closed]
I have on domain $[0,\infty)$ a known and positive function $f(x)$ and two unknown functions $g(x), h(x)$ that start positive when $x=0$.
I also know that if $h(x)$ is positive, then $g(x)$ is also po …
- 123
3
votes
1
answer
695
views
Is inverse Laplace Transform of a power of $s$ a positive function?
It's trivial that the Laplace Transform of a positive function is a positive function on $s$ domain. What about the inverse thought? What can we say about the positiveness of the inverse Laplace Trans …
- 123