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Esra Sümeyye
Esra Sümeyye
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The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. See for example the Wikipedia article:

https://en.wikipedia.org/wiki/Restricted_representation#CITEREFMurnaghan1938

I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

Edit: In particular I would like to know examples of representations of $SO(n-2) \times SO(2)$ which appear with multiplicity $1$ in any branching.

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. See for example the Wikipedia article:

https://en.wikipedia.org/wiki/Restricted_representation#CITEREFMurnaghan1938

I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. See for example the Wikipedia article:

https://en.wikipedia.org/wiki/Restricted_representation#CITEREFMurnaghan1938

I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

Edit: In particular I would like to know examples of representations of $SO(n-2) \times SO(2)$ which appear with multiplicity $1$ in any branching.

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Esra Sümeyye
Esra Sümeyye
  • 71
  • 4

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. See for example the Wikipedia article:

https://en.wikipedia.org/wiki/Restricted_representation#CITEREFMurnaghan1938

I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. See for example the Wikipedia article:

https://en.wikipedia.org/wiki/Restricted_representation#CITEREFMurnaghan1938

I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?

Source Link
Esra Sümeyye
Esra Sümeyye
  • 71
  • 4

Branching laws for $SO(n)$

The branching laws for the $SO(n-1)$ as a subgroup of $SO(n)$ are well known and easy to find. I am having trouble finding the next most complicated example, i.e. $$ SO(n-2) \times SO(2) \subseteq SO(n). $$ Where can a description of these branching laws be found?