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astro-ph2008★ 3 cited
Being PC: Principal Components and Dark Energy
Roland de Putter, Eric V. Linder
Principal component analysis is considered as an addition to the well-tested parametrization w(a)=w_0+w_a(1-a) for the dark energy equation of state. This brief note cautions again…
astro-ph2008★ 12 cited
Like vs. Like: Strategy and Improvements in Supernova Cosmology Systematics
Eric V. Linder
Control of systematic uncertainties in the use of Type Ia supernovae as standardized distance indicators can be achieved through contrasting subsets of observationally-characterize…