Search Results - "Okuda, Takayuki"

Approximation of integration over finite groups, difference sets and association schemes by Kajiura, Hiroki, Matsumoto, Makoto, Okuda, Takayuki

“…Let G be a finite group and f : G → C be a function. For a non-empty finite subset Y ⊂ G , let I Y ( f ) denote the average of f over Y . Then, I G ( f ) is…”
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Non-existence and Construction of Pre-difference Sets, and Equi-Distributed Subsets in Association Schemes by Kajiura, Hiroki, Matsumoto, Makoto, Okuda, Takayuki

“…In the previous work, we introduce a notion of pre-difference sets in a finite group G defined by weaker conditions than the difference sets. In this paper we…”
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On the spectrum and linear programming bound for hypergraphs by Cioabă, Sebastian M., Koolen, Jack H., Mimura, Masato, Nozaki, Hiroshi, Okuda, Takayuki

“…The spectrum of a graph is closely related to many graph parameters. In particular, the spectral gap of a regular graph which is the difference between its…”
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Quantum Circuits for Exact Unitary t -Designs and Applications to Higher-Order Randomized Benchmarking by Nakata, Yoshifumi, Zhao, Da, Okuda, Takayuki, Bannai, Eiichi, Suzuki, Yasunari, Tamiya, Shiro, Heya, Kentaro, Yan, Zhiguang, Zuo, Kun, Tamate, Shuhei, Tabuchi, Yutaka, Nakamura, Yasunobu

“…A unitary t-design is a powerful tool in quantum information science and fundamental physics. Despite its usefulness, only approximate implementations were…”
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Drosophila carrying pex3 or pex16 mutations are models of Zellweger syndrome that reflect its symptoms associated with the absence of peroxisomes by Nakayama, Minoru, Sato, Hiroyasu, Okuda, Takayuki, Fujisawa, Nao, Kono, Nozomu, Arai, Hiroyuki, Suzuki, Emiko, Umeda, Masato, Ishikawa, Hiroyuki O, Matsuno, Kenji

“…The peroxisome biogenesis disorders (PBDs) are currently difficult-to-treat multiple-organ dysfunction disorders that result from the defective biogenesis of…”
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Explicit construction of exact unitary designs by Bannai, Eiichi, Nakata, Yoshifumi, Okuda, Takayuki, Zhao, Da

“…In this paper, we first provide an inductive construction of designs on compact groups G from those on subgroups K when (G,K) is a Gelfand pair. We then use…”
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Spherical designs of harmonic index t by Bannai, Eiichi, Okuda, Takayuki, Tagami, Makoto

“…Spherical t-design is a finite subset on sphere such that, for any polynomial of degree at most t, the average value of the integral on sphere can be replaced…”
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A new relative bound for equiangular lines and nonexistence of tight spherical designs of harmonic index 4 by Okuda, Takayuki, Yu, Wei-Hsuan

“…We give a new upper bound for the cardinality of a set of equiangular lines in Rn with a fixed common angle θ for each (n,θ) satisfying certain conditions. Our…”
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Some remarks on real minimal nilpotent orbits and symmetric pairs by Okuda, Takayuki

“…For a non-compact simple Lie algebra $\mathfrak{g}$ over $\mathbb{R}$, we denote by $\mathcal{O}^{\mathbb{C}}_{\min,\mathfrak{g}}$ the unique complex nilpotent…”
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A proof of Kobayashi's properness criterion from a viewpoint of metric geometry by Ogawa, Kento, Okuda, Takayuki

“…Let $G$ be a locally-compact group and $(H,L)$ a pair of closed subgroups of $G$. For the cases where $G$ is a real linear reductive Lie group, T. Kobayashi…”
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Zariski dense discontinuous surface groups for reductive symmetric spaces by Kannaka, Kazuki, Okuda, Takayuki, Tojo, Koichi

“…Let $G/H$ be a homogeneous space of reductive type with non-compact $H$. The study of deformations of discontinuous groups for $G/H$ was initiated by…”
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Abundance of nilpotent orbits in real semisimple Lie algebras by Okuda, Takayuki

“…We formulate and prove that there are "abundant" in nilpotent orbits in real semisimple Lie algebras, in the following sense. If S denotes the collection of…”
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Functoriality of Bose-Mesner algebras and profinite association schemes by Matsumoto, Makoto, Ogawa, Kento, Okuda, Takayuki

“…We show that taking the set of primitive idempotents of commutative association schemes is a functor from the category of commutative association schemes with…”
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Relation between spherical designs through a Hopf map by Okuda, Takayuki

“…Cohn--Conway--Elkies--Kumar [Experiment. Math. (2007)] described that one can construct a family of designs on $S^{2n-1}$ from a design on $\mathbb{CP}^{n-1}$…”
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Homogeneous space with non virtually abelian discontinuous groups but without any proper SL(2,R)-action by Okuda, Takayuki

“…In the study of discontinuous groups for non-Riemannian homogeneous spaces, the idea of "continuous analogue" gives a powerful method (T. Kobayashi [Math. Ann…”
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Educational Effects in Mathematics: Conditional Average Treatment Effect depending on the Number of Treatments by Nagai, Tomoko, Okuda, Takayuki, Nakamura, Tomoya, Sato, Yuichiro, Sato, Yusuke, Kinjo, Kensaku, Kawamura, Kengo, Kikuta, Shin, Kumano-go, Naoto

“…This study examines the educational effect of the Academic Support Center at Kogakuin University. Following the initial assessment, it was suggested that group…”
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Smallest complex nilpotent orbits with real points by Okuda, Takayuki

“…Journal of Lie Theory 25 (2015), No. 2, 507--533 Let us fix a complex simple Lie algebra and its non-compact real form. This paper focuses on non-zero adjoint…”
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Approximation of integration over finite groups, difference sets and association schemes by Kajiura, Hiroki, Matsumoto, Makoto, Okuda, Takayuki

“…Let $G$ be a finite group and $f:G \to {\mathbb C}$ be a function. For a non-empty finite subset $Y\subset G$, let $I_Y(f)$ denote the average of $f$ over $Y$…”
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Explicit construction of exact unitary designs by Bannai, Eiichi, Nakata, Yoshifumi, Okuda, Takayuki, Zhao, Da

“…The purpose of this paper is to give explicit constructions of unitary $t$-designs in the unitary group $U(d)$ for all $t$ and $d$. It seems that the explicit…”
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Singular fibers in barking families of degenerations of elliptic curves by Okuda, Takayuki

“…"Singularities in Geometry and Topology 2011", Adv. Stud. Pure Math., Vol. 66, Math. Soc. Japan (2015), 203--256 Takamura established a theory on splitting…”
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