Mathematics
Alexander Cska's user avatar
Alexander Cska's user avatar
Alexander Cska's user avatar
Alexander Cska
  • Member for 10 years, 9 months
  • Last seen more than a week ago
Profile Activity
Stats
434
reputation
17k
reached
8
answers
24
questions
Communities
View all
About

Hi all. I am learning QFT and I am interested in mathematics as a tool to explore the world of particle interactions. I really appreciate the possibility to discuss and get answers form the experts on this forum.

Badges
View all badges
This user doesn’t have any gold badges yet.
2
silver badges
18
bronze badges
Top tags
View all tags
4
Score
7
Posts
22
Posts %
1
Score
10
Posts
31
Posts %
0
Score
4
Posts
12
Posts %
0
Score
3
Posts
9
Posts %
0
Score
3
Posts
9
Posts %
0
Score
3
Posts
9
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
4
How to prove the following properties of infimum and supremum involving the union and intersection of the sets $A_k$
Jan 9, 2016
question
3
Are the integration contours of this improper integral properly selected?
Sep 13, 2013
question
3
Probability to draw two particular cards from a deck.
Aug 18, 2015
answer
3
branch points of arcsin
Oct 10, 2013
question
3
How to prove the following application of the Stiltjes series expansion
Mar 17, 2018
question
2
Conformal mapping question: Joing two rays using the transformation $f(z) = \frac{z-b}{z-a}$.
Mar 5, 2015
question
1
Question about the infimum of $|f(x)-x|$ , where $f(x)=x$, $x$ is a fixed point of the nonlinear equation.
Apr 23, 2013
question
1
Properties of the derivative $\frac{\delta F(\phi(x))}{\delta\phi(y)}$ , where $ \phi(x) = F(\phi(x)) $ is a fixed point problem.
Apr 30, 2013
question
1
Help needed to derive combinatorics formula.
May 19, 2014
question
1
Image under Möbius transformation
May 6, 2015
Top network posts
View all network posts
63
How to apply the Faddeev-Popov method to a simple integral
30
How radioactive is uranium?
7
How to properly sample truncated distributions?
5
Buffer overflows on 64 bit
5
Unitarity of the S-matrix and Feynman Diagrams

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.