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Complex spherical designs from group orbits. (English) Zbl 1542.05023

This paper considers the general form of complex spherical designs via orbits of the unitary action of a finite group. It is shown that orbits which have large enough stabilisers are then good candidates for being optimal complex spherical designs. As an application, explicit constructions of some putatively optimal real and complex spherical \(t\)-designs disscussed.

MSC:

05B30 Other designs, configurations
42C15 General harmonic expansions, frames
65D30 Numerical integration
94A12 Signal theory (characterization, reconstruction, filtering, etc.)

Software:

OEIS

References:

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