morphology, Kaloper

I started making figures for my future paper on the morphology–density relation, showing that it is subordinate to the color–density relation.

Kaloper (Davis) showed that w<−1 can be mimiced by a w=−1 universe plus some photon decay or transformation into axions. It inspired me to think about the transparency of the Universe, which I discussed with Weiner and Blanton.

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