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10 papers · 1 filter
Infinitely imbalanced binomial regression and deformed exponential families
Tomonari Sei
The logistic regression model is known to converge to a Poisson point process model if the binary response tends to infinitely imbalanced. In this paper, it is shown that this phen…
Ferromagnetic Quantum Critical Point Induced by Tuning the Magnetic Dimensionality of the Heavy-Fermion Iron Oxypnictide Ce(RuFe)PO
Shunsaku Kitagawa, Kenji Ishida, Tetsuro Nakamura +2
We have performed 31P-NMR measurements of the c-axis-aligned poly-crystal Ce(Ru1-xFex)PO with a two-dimensional layered structure in order to understand the origin of TCurie suppre…
Twisted Alexander polynomials on curves in character varieties of knot groups
Taehee Kim, Takahiro Kitayama, Takayuki Morifuji
For a fibered knot in the 3-sphere the twisted Alexander polynomial associated to an SL(2,C)-character is known to be monic. It is conjectured that for a nonfibered knot there is a…
Josephson Current through Semiconductor Nanowire with Spin-Orbit Interaction in Magnetic Field
Tomohiro Yokoyama, Mikio Eto, Yuli V. Nazarov
We theoretically study the DC Josephson effect of a semiconductor nanowire (NW) with strong spin-orbit interaction when a magnetic field is applied parallel to the NW. We adopt a m…
Nonseparable UHF algebras II: Classification
Ilijas Farah, Takeshi Katsura
For every uncountable cardinal there are nonisomorphic simple AF algebras of density character and nonisomorphic hyperfinite II factors of density character…
Application of Hopfield Network to Saccades
Teruyoshi Washizawa
Human eye movement mechanisms (saccades) are very useful for scene analysis, including object representation and pattern recognition. In this letter, a Hopfield neural network to e…