Difference between revisions of "Hurwitz zeta"

From specialfunctionswiki
Jump to: navigation, search
(Properties)
 
(8 intermediate revisions by the same user not shown)
Line 1: Line 1:
The Hurwitz zeta function is defined for $\mathrm{Re}(s)>1$ and $\mathrm{Re}(a)>0$ by  
+
__NOTOC__
$$\zeta(s,a)= \displaystyle\sum_{n=0}^{\infty} \dfrac{1}{(n+a)^s}.$$
+
The Hurwitz zeta function is a generalization of the [[Riemann zeta]] function defined initially for $\mathrm{Re}(s)>1$ and $\mathrm{Re}(a)>0$ by  
 +
$$\zeta(z,q)= \displaystyle\sum_{k=0}^{\infty} \dfrac{1}{(k+q)^z}.$$
  
 
=Properties=
 
=Properties=
<div class="toccolours mw-collapsible mw-collapsed" style="width:800px">
+
[[Hurwitz zeta absolute convergence]]<br />
<strong>Theorem:</strong> The function $\zeta(s,a)$ is [[absolutely convergent]] for all $s$ with $\mathrm{Re}(s)>1$ and $a$ with $\mathrm{Re}(a)>0$..
+
[[Relationship between Hurwitz zeta and gamma function]]<br />
<div class="mw-collapsible-content">
+
[[Relation between polygamma and Hurwitz zeta]]<br />
<strong>Proof:</strong>
+
[[Bernoulli polynomial and Hurwitz zeta]]<br />
</div>
+
[[Catalan's constant using Hurwitz zeta]]<br />
</div>
 
  
<div class="toccolours mw-collapsible mw-collapsed">
+
=See Also=
<strong>Theorem:</strong> The function $\zeta(s,a)$ is [[analytic]] for all $s$ except for a simple pole at $s=1$ with [[residue]] $1$.
+
[[Riemann zeta]]<br />
<div class="mw-collapsible-content">
 
<strong>Proof:</strong> █
 
</div>
 
</div>
 
  
{{:Relationship between Hurwitz zeta and gamma function}}
+
=References=
  
{{:Bernoulli polynomial and Hurwitz zeta}}
+
[[Category:SpecialFunction]]
{{:Catalan's constant using Hurwitz zeta}}
 

Latest revision as of 01:27, 21 December 2016

The Hurwitz zeta function is a generalization of the Riemann zeta function defined initially for $\mathrm{Re}(s)>1$ and $\mathrm{Re}(a)>0$ by $$\zeta(z,q)= \displaystyle\sum_{k=0}^{\infty} \dfrac{1}{(k+q)^z}.$$

Properties

Hurwitz zeta absolute convergence
Relationship between Hurwitz zeta and gamma function
Relation between polygamma and Hurwitz zeta
Bernoulli polynomial and Hurwitz zeta
Catalan's constant using Hurwitz zeta

See Also

Riemann zeta

References