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Results tagged with fixed-point-theorems
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user 97232
A fixed-point theorem is a result saying that a function $F$ will have at least one fixed point (a point $x$ for which $F(x) = x$), under some conditions on $F$ that can be stated in general terms.
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Existence of a fixed point for this operator
I'm looking for some mathematical results that I might be able to apply to see if an operator I'm considering has a fixed point.
In particular consider,
$$ Ag(x) = \Big\{ \xi(x) + K(g(x))^\frac{1}{\t …
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