0
votes
0answers
65 views
An integral with Gamma functions (Part 2)
I was wondering if there is a generalization of the integral discussed here to a case like,
\begin{equation}\int \frac{d^dq}{q^{\nu_1}\vert \vec{q} \pm \vec{k}_1\vert ^{\nu_2}\ver …
2
votes
0answers
55 views
the “three-point” characterization of holomorphy
I want to know the source of the following "folkloric" fact about holomorphic functions.
It seems well described by the phrase:
The three-point characterization of holomorphy …
0
votes
0answers
46 views
On uniform convergence of sequences of bounded holomorphic functions with formal convergence
At some point I needed to prove that some formal (iterative) construction yielded an actual convergent power series. To do so I was led to prove the following lemma, where $\mathca …
3
votes
1answer
150 views
Power series whose partial sums attain only finitely many values
I am wondering if there is a general explanation for the following phenomenon. The partial sums of the geometric series $\sum_{n\geq 0} x^n$ evaluated at a root of unity $\zeta\ne …
2
votes
1answer
110 views
A New Analytic Inequality
Consider an analytic function $f : U \longrightarrow \mathbb{C}$ where $U$ is an open subset of the complex numbers which contains the closed unit disk. I have $|f(x)| \geq 1$ for …
6
votes
0answers
111 views
Convergence at the radius of convergence
Suppose I have (roughly speaking) a multivalued meromorphic function $f(z)$ on all of $\mathbb{C}$ that is single-valued and holomorphic on the open unit disc and has some branch p …
0
votes
1answer
206 views
Question on Hartogs’s Extension Theorem
Does Hartogs's extension theorem hold if one replaces the word holomorphic by analytic (of course still in several variables)?
For Hartogs's Extension Theorem see here:
http://en …
0
votes
0answers
28 views
Inverse Laplace transform of the function: $F(s)=e^{-a\sqrt{s(s+b)}}$
I would like to find inverse Laplace transform of the function:
$$F(s)=e^{-a\sqrt{s(s+b)}}$$
which $a$ and $b$ are positive real numbers and $s$ is a complex variable. It would be …
1
vote
0answers
61 views
Analytical continuation of electrostatic potentials
I'm having some trouble figuring out the properties with respect to analytical continuation of functions defined using an integral kernel. More particularly, I am working with the …
0
votes
1answer
76 views
Trivial Line Bundle-Riemann surfaces
What are the Hermitian metrics in a trivial line bundle on a Riemann surface X?
I read that a Hermitian metric in the trivial line bundle is equivalent to a $\mathcal{C}^{\infty}$ …
2
votes
3answers
295 views
Hyperbolic Riemann Surface
Let $X$ be a compact Riemann surface and $x\in X$.
Is $X - \overline{D(x,r_x)}$ hyperbolic?
1
vote
1answer
76 views
Green’s function - Hyperbolic Riemann surface
A Riemann surface is said to be:
-Potential-theoretically hyperbolic if it has a non-constant bounded subharmonic function.
-Poincaré hyperbolic if it is covered by the unid disk …
0
votes
0answers
41 views
a question on bounds for complex functions
Let $\bf{u}$ be a smooth complex vectorfield defined on the closed unit ball $B_1(0)\subset \mathbb{R}^3$. Let $\phi$ be any smooth complex function defined on $B_1(0)$.
My quest …
2
votes
1answer
137 views
Boundedness of an Oscillating Integral
Let $g(x):\mathbb{R}_{\geq0}\rightarrow\mathbb{R}$ be real analytic s.t. $g(0)\neq 0$ and $g(x)=O(x^{-2})$ as $x\rightarrow\infty$. I think the following integral should be bounded …
1
vote
0answers
129 views
Convergent series, asymptotics and truncation
In regard to the characteristics of certain "explicit formulae" arising in number theory, I am pondering the connection between the rate of convergence of series and the asymptotic …

