Fisher forecasts show the weak lensing bispectrum reduces errors on CPL w0 and IDE coupling parameters but leaves f(R) scalaron constraints essentially unchanged after full marginalization over nuisance parameters.
Weak lensing, dark matter and dark energy.General Relativity and Gravitation, 42:2177– 2195
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Exploring Beyond {\Lambda}CDM with the Weak Lensing Power Spectrum and Bispectrum
Fisher forecasts show the weak lensing bispectrum reduces errors on CPL w0 and IDE coupling parameters but leaves f(R) scalaron constraints essentially unchanged after full marginalization over nuisance parameters.