José Casado Martínez

A joint planarity tensor for the low-ℓ CMB

Methods paper with negative results declared. Two no-go theorems are proved for the estimator family behind the CMB 'Axis of Evil': (i) a multipole's own eigenframe cannot measure its own planarity (P2≡1 identically); (ii) maximizing zonal power over real axes locates the plane o...