Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 326266

The systematic study of group representations, which describe abstract groups in terms of linear transformations of vector spaces, such that group elements or their generators are represented as matrices, reducing group-theoretic problems to linear-algebraic ones.

0 votes
1 answer
196 views

Relationship between charges and representations of a group?

Representation of a group is a homomorphism from the group to the $GL(n,R)$. But I don't quite understand what is the charge of representation. Could someone explain?
htr's user avatar
  • 366
0 votes
0 answers
106 views

What is "spin" in spin representations?

When finding representations of Lorentz algebra let's say so(1,D-1), we can find some representations of this algebra using the Clifford algebra. I understand how to identify Weyl and Majorana represe …
htr's user avatar
  • 366
2 votes
2 answers
1k views

Fundamental representation and adjoint representation

Why fundamental representation and adjoint representations of Lie algebra are very important in physics? What about the other representations of a given Lie algebra? Are they equally important or not? …
htr's user avatar
  • 366