Why superspace formulation works only for at most 4 supersymmetries?

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The discussion centers on the limitations of superspace formulation in theoretical physics, specifically addressing why it is effective for a maximum of four supersymmetries. It references the work in "Quantum Field Theory and Strings: A Course for Mathematicians" edited by Pierre Deligne, highlighting that beyond four supersymmetries, certain supersymmetries fail to manifest. The conversation raises questions about the underlying considerations that restrict the application of superspace formulation to this limit.

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Why superspace formulation works only for at most 4 supersymmetries?

For more than 4 supersymmetries, why some of the supersymmetries would not be manifested?


What's the consideration here?


&_&
 
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Hmm actually, does superspace formulation work for more than one supersymmetry? Most examples only put a generator in.
 
i read this statement in the Vol I of "Quantum Field Theory and Strings: A Course for Mathematicians" by Pierre Deligne et al. (eds.).

But there's no further explanation there.
 

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