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14 papers · 1 filter
A formula for the expected volume of the Wiener sausage with constant drift
Yuji Hamana, Hiroyuki Matsumoto
We consider the Wiener sausage for a Brownian motion with a constant drift up to time associated with a closed ball. In the two or more dimensional cases, we obtain the explici…
A New Infinite Family of Hemisystems of the Hermitian Surface
John Bamberg, Melissa Lee, Koji Momihara +1
In this paper, we construct an infinite family of hemisystems of the Hermitian surface . In particular, we show that for every odd prime power congruent to $…
Using rotation measure grids to detect cosmological magnetic fields -- a Bayesian approach
V. Vacca, N. Oppermann, T. Ensslin +17
Determining magnetic field properties in different environments of the cosmic large-scale structure as well as their evolution over redshift is a fundamental step toward uncovering…
Probing higher-order primordial non-Gaussianity with galaxy surveys
Daisuke Yamauchi, Keitaro Takahashi
With a radio continuum galaxy survey by the Square Kilometre Array (SKA), a photometric galaxy survey by Euclid and their combination, we forecast future constraints on primordial…
A family of -ovoids of parabolic quadrics
Tao Feng, Koji Momihara, Qing Xiang
We construct a family of -ovoids of , the parabolic quadric of , for . The existence of -ovoids of $Q(…
C^1-umbilics with arbitrarily high indices
Naoya Ando, Toshifumi Fujiyama, Masaaki Umehara
In this paper, the existence of C^1-umbilics with arbitrarily high indices is shown. This implies that more than C^1-regularity is required to prove Loewner's conjecture.