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5 papers · 1 filter
Cluster glass transition and relaxation in random spinel CoGa2O4
T. Naka, T. Nakane, S. Ishii +6
We report magnetic properties in the random spinel magnet CoGa2O4. Rietveld analysis of the x-ray diffraction profile for CoGa2O4 reveals that the Co and Ga ions are distributed ra…
On the mod unramified cohomology of varieties having universally trivial Chow group of zero-cycles
Shusuke Otabe
Auel-Bigazzi-Böhning-Graf von Bothmer proved that if a proper smooth variety over a field of characteristic has universally trivial Chow group of -cycles, the coho…
Analog of a quantum heat engine using a single-spin qubit
K. Ono, S. N. Shevchenko, T. Mori +2
A quantum two-level system with periodically modulated energy splitting could provide a minimal universal quantum heat machine. We present the experimental realization and the theo…
Policy Gradient Reinforcement Learning for Policy Represented by Fuzzy Rules: Application to Simulations of Speed Control of an Automobile
Seiji Ishihara, Harukazu Igarashi
A method of a fusion of fuzzy inference and policy gradient reinforcement learning has been proposed that directly learns, as maximizes the expected value of the reward per episode…
Abelian quotients of the -filtration on the homology cylinders via the LMO functor
Yuta Nozaki, Masatoshi Sato, Masaaki Suzuki
We construct a series of homomorphisms from the -filtration on the monoid of homology cylinders to torsion modules via the mod reduction of the LMO functor. The res…