Showing posts with label gamma. Show all posts
Showing posts with label gamma. Show all posts

Saturday, June 2, 2012

Dirichlet Beta - Gamma

DBG.ID.1: Integral representation



given

Dirchelet Beta  :

 
 (1)
 
 (2)

 (3)
replacing (2) with (3)

 (4)

 (5)
using geometric series

 (6)

 (7)


DBG.ID.2: Integral representation




proof

multiply both sides by s
 (8)


 (9)



 (10)


 (11)


DBG.ID.3:Recurrence Relation


 

given

from  DBG.ID.1
 
 (1)


  (2)
 from  DBG.ID.2
 
  (3)

 (3) - (2)  results in : 


 
   (4)
 

   (5)

DBG.ID.5: Integral representation by natural log




from  DBG.ID.1


 (1)

Change of variable 


Therefore,
(2)

(3)
if s=2


(4)



Friday, June 1, 2012

Gamma-Polylogarithm


GP.ID.1:

 
 



Proof

Given
 
 (1)
 therefore ,

 (2)

 (3)


 (4)
 (5)


 (6)
Based on the identity: 

 (7)
From (5) and (6) ,





Friday, October 28, 2011

Gamma-Catalan Relation

GC.ID.1:   Catalan Number  Identity



Proof
based on recurrence relation of gamma
(1)

 
 (2)

 
  (3)
 
  (4)
 (5)
 (6)
 
  (7)
 
  (8)

 (9)
 (10)
 (11)

  (12)
  (13)
based on the Catalan number  identity , therefore ,
  (14)

  (15)

  (16)