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Aug 25, 2015

Simulating Cherenkov Telescope Array observation of RX J1713.7-3946

We perform simulations of Cherenkov Telescope Array (CTA) observations of a young supernova remnant RX J1713.7-3946. This target is not only one of t…
Mar 27, 2017
Mathematical Physics
Probability

On the minimum output entropy of random orthogonal quantum channels

We consider sequences of random quantum channels defined using the Stinespring formula with Haar-distributed random orthogonal matrices. For any fixe…
Apr 28, 2016
Pattern Formation and Solitons

Head butting sheep: Kink Collisions in the Presence of False Vacua

We investigate numerically kink collisions in a $1+1$ dimensional scalar field theory with multiple vacua. The domain wall model we are interested in…
Aug 22, 2017

Suzaku and Chandra observations of the galaxy cluster RXC J1053.7+545…

We present the results of Suzaku and Chandra observations of the galaxy cluster RXC J1053.7+5453 ($z=0.0704$), which contains a radio relic. The radi…
Aug 21, 2015

Suzaku Observations of the Galaxy Cluster 1RXS J0603.3+4214: Implic…

We present the results of Suzaku observations of the galaxy cluster 1RXS J0603.3+4214 with "toothbrush" radio relic. Although a shock with Mach numbe…
Apr 13, 2017

Prospects for CTA observations of the young SNR RX J1713.7-3946

We perform simulations for future Cherenkov Telescope Array (CTA) observations of RX~J1713.7$-$3946, a young supernova remnant (SNR) and one of the b…
Oct 10, 2013
Differential Geometry

Periodic magnetic curves in elliptic Sasakian space forms

It is an interesting question whether a given equation of motion has a periodic solution or not, and in the positive case to describe them. We invest…
Sep 07, 2009

We observed the central region of the Abell 2319 with Suzaku. From the XIS analysis, we found that the central cool region in the north-west of the cold front has higher metal abundance than the surrounding region for the first time. We measure the …

Suzaku Observation of the Radio Halo Cluster Abell 2319: Gas Dynamics…

We present the results of Suzaku observation of the radio halo cluster Abell 2319. The metal abundance in the central cool region is found to be high…
Dec 23, 2015

Semilocal Fractional Instantons

We find semi-local fractional instantons of codimension four in Abelian and non-Abelian gauge theories coupled with scalar fields and the correspondi…
Jun 11, 2018
Probability

Central limit theorems for non-symmetric random walks on nilpotent …

In the present paper, we study central limit theorems (CLTs) for non-symmetric random walks on nilpotent covering graphs from a point of view of disc…
Jul 24, 2008

N-body + Magnetohydrodynamical Simulations of Merging Clusters of G…

We present results from N-body + magnetohydrodynamical simulations of merging clusters of galaxies. We find that cluster mergers cause various charac…
Aug 08, 2011
Differential Geometry

Constant mean curvature surfaces in hyperbolic 3-space via loop groups

In hyperbolic 3-space $\mathbb{H}^3$ surfaces of constant mean curvature $H$ come in three types, corresponding to the cases $0 \leq H < 1$, $H = 1$,…
Oct 30, 2012
Probability

An explicit effect of non-symmetry of random walks on the triangular …

In the present paper, we study an explicit effect of non-symmetry on asymptotics of the $n$-step transition probability as $n\rightarrow \infty$ for …
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