Representations of a symmetry group: what is actually being represented?
33819
What does "the ${\bf N}$ of a group" mean?
23279
Group Theory Isomorphism
98010
Constructing a metric on a Lie Group
153205
Why is the $(\frac{1}{2},\frac{1}{2})$ representation of the Lorentz group realized as the vector space of Hermitian $2\times 2$ matrices?
90365
Riemannian Manifolds with $n(n+1)/2$ dimensional symmetry group
98303
Ward identity derived from global symmetry and SDE, different from that derived from gauge symmetry?
9565
Is there an easy way to show which spheres can be Lie groups?
103778
Geometric interpretation of connection forms, torsion forms, curvature forms, etc
137761
Why are the fundamental and anti-fundamental representation in $\text{SL}(2,\mathbb{C})$ not equivalent?
134872
Generators of $\text{GL}_{2}(\mathbb{Z})$ group, good reference book?
120474
Does the lagrangian contain all the information about the representations of the fields in QFT?
61530
Definitions and usage of Covariant, Form-invariant & Invariant?
68267
$SU(3)$ irreducible representations with tensor method
4116
If we are handed the presentation $\langle i,j,k \mid i^2=j^2=k^2=ijk \rangle$ and nothing more, can we deduce that this is the quaternion group?
121593
Symmetric and exterior power of representation
96380
Representation of $\text{sl}(2,\mathbb{C})$
87823
GAP: how to work with elements of the group ring of the symmetric group $\mathbb{C}[S_k]$?