A matrix normal extension of the Heckman model with ECM algorithm for multiple selection outcomes and SUN distribution links.
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Strong gravitational lensing data from early-type galaxies and Abell 1689 constrain three sign-changeable dark-sector interaction models, yielding negative interaction strengths larger in magnitude than prior probes and an acceleration transition at z_t ~1.8-2.1.
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Multiple Heckman Selection Model
A matrix normal extension of the Heckman model with ECM algorithm for multiple selection outcomes and SUN distribution links.
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Study of dark interactions through strong gravitational lenses
Strong gravitational lensing data from early-type galaxies and Abell 1689 constrain three sign-changeable dark-sector interaction models, yielding negative interaction strengths larger in magnitude than prior probes and an acceleration transition at z_t ~1.8-2.1.