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SPACES OF CONJUGATION-EQUIVARIANT FULL HOLOMORPHIC MAPS
KAMIYAMA, YASUHIKO Korean Mathematical Society 2005 대한수학회보 Vol.42 No.1
Let $RRat_k$ ($CP^n$) denote the space of basepoint-preserving conjugation-equivariant holomorphic maps of degree k from $S^2$ to $CP^n$. A map f ; $S^2 {\to}CP^n$ is said to be full if its image does not lie in any proper projective subspace of $CP^n$. Let $RF_k(CP^n)$ denote the subspace of $RRat_k(CP^n)$ consisting offull maps. In this paper we determine $H{\ast}(RF_k(CP^2); Z/p)$ for all primes p.
Spaces of conjugation-equivariant full holomorphic maps
Yasuhiko Kamiyama 대한수학회 2005 대한수학회보 Vol.42 No.1
Let RR{k}{n} denote the space of basepoint-preservingconjugation-equivariant holomorphic maps of degree k from S^2to CP{n}. A map f: S^2 rightarrow CP{n} is said to be fullif its image does not lie in any proper projective subspace ofCP{n}. Let RF{k}{n} denote the subspace of RR{k}{n}consisting of full maps. In this paper we determine H_ast(RF{k}{2}; Zp) for all primes p.
Invisible and Cost-Effective Sensors with a Network Robot for an IoT House for Tourists
Mimori Kamiyama,Hirokazu Madokoro,Kazuhisa Nakasho,Nobuhiro Shimoi,Hanwool Woo,Kazuhito Sato 제어로봇시스템학회 2019 제어로봇시스템학회 국제학술대회 논문집 Vol.2019 No.10
This paper presents a novel application of our previously developed sensor system to recognition of behavior patterns using a network robot and cost-effective invisible sensors. We set up the system at an actual house as a concept of an internet of things (IoT) house for tourists. We obtained 14 person-day benchmark datasets from ten people in their 20s. For constructing benchmark datasets, they recorded event times of seven patterns: getting up, sleeping, going out, coming home, emergency calls, opening or closing of a refrigerator, and the use of a TV remote control. As ground truth labels for cross-validation-based evaluation, we integrated them into three patterns: going out, staying at home, and sleeping on the bed. The experimentally obtained results revealed that the mean recognition accuracies with random forests were 99.60 %, 99.30 %, and 98.54 % for the respective three datasets.
DEVELOPMENT OF TWIN-CHAMBER ON-WHEEL RESONATOR FOR TIRE CAVITY NOISE
Youichi Kamiyama 한국자동차공학회 2018 International journal of automotive technology Vol.19 No.1
Tire cavity noise is a noise which produces reverberations. Given the ringing in the ears that it causes vehicle occupants, it has long been one of the main road noise issues. For the countermeasure against tire cavity noise, since drastic solution is still more difficult for the downstream measure against a body system with the increase of big weight, its device in the tire cavity of the countermeasure against the origin is the most effective for a light weight and drastic solution. Some reduction devices of tire cavity noise have come to be commercialized in recent years. As a commercialization example, what equipped the tire inside surface with the noise absorbing material, and the thing which equipped roadwheel with the resonator are developed. However, application of these devices is limited to some of tires and high-class vehicle types from cost restrictions, and at present, it does not result in technical generalization and has not diffused through it so much. Since the new structure which reduces weight and cost by 50 % or more was suggested towards generalization of the Helmholtz resonator technology which is a flexible device which can equip roadwheel and does not limit a tire brand and commercial production was realized, this paper introduces that theoretical background and realization structure. And this device has been successfully applied to mass-production models on the market.