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Effects of weak lensing on the topology of CMB maps
Jens Schmalzing, Masahiro Takada, Toshifumi Futamase
We investigate the non-Gaussian signatures in Cosmic Microwave Background (CMB) maps induced by the intervening large-scale structure through weak lensing. In order to measure the…
Number Count of Peaks in the CMB Map
Toshifumi Futamase, Masahiro Takada
We investigate the dependence of cosmological parameters on the number count of peaks (local maxima and minima) in the cosmic microwave background (CMB) sky. The peak statistics co…
Detectability of Gravitational Lensing Effect on the Two-point Correlation Function of Hotspots in the CMB maps
Masahiro Takada, Toshifumi Futamase
We present quantitative investigations of the weak lensing effect on the two-point correlation functions of local maxima (hotspots), $\xipk(θ)$, in the cosmic microwave background…