A supertrace is the trace weighted by fermion parity. Supersymmetry makes paired positive-energy states cancel in a supertrace.
An equivariant supertrace inserts a symmetry as well as fermion parity, . In a path integral, produces boundary conditions twisted by its action.
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As of my last update in October 2021, "Supertrace" does not refer to a widely recognized concept, product, or technology. However, the name could pertain to various contexts such as software, data tracing, or logging systems in tech, or even a specific tool used in industries like logistics or tracking.