Character Expansions in Physics
classification
🧮 math-ph
hep-thmath.MPnucl-th
keywords
expansionsgroupphysicsapplicationsareasbasisbrieflycharacter
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Expanding products of invariant functions of a group element as a series in the basis of characters of the irreducible representations of a group is widely used in many areas of physics and related fields. In this contribution a formula to generate such expansions and its various applications are briefly reviewed.
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