Zobrazeno 1 - 10
of 172
pro vyhledávání: '"Koichi Yamazaki"'
Autor:
Masahiro Nakamura, Ayaka Omi, Toshiyuki Tanaka, Koichi Yamazaki, Yuta Kojima, Toshiya Kurabayashi, Keita Kurihara, Kazuyuki Amano
Publikováno v:
Algorithms, Vol 5, Iss 1, Pp 18-29 (2012)
In this paper, we consider the following sliding puzzle called torus puzzle. In an m by n board, there are mn pieces numbered from 1 to mn. Initially, the pieces are placed in ascending order. Then they are scrambled by rotating the rows and columns
Externí odkaz:
https://doaj.org/article/1e3bb2084bad4f9c8a75940f512d60aa
Autor:
Koichi Yamazaki
Publikováno v:
Algorithms, Vol 11, Iss 11, p 173 (2018)
Wu et al. (2014) showed that under the small set expansion hypothesis (SSEH) there is no polynomial time approximation algorithm with any constant approximation factor for several graph width parameters, including tree-width, path-width, and cut-widt
Externí odkaz:
https://doaj.org/article/c64be008bd8e4a7d85c6e743cf22dd35
Publikováno v:
International Journal of Institutional Research and Management. 4:46-65
Autor:
Michiko Yasukawa, Koichi Yamazaki
Publikováno v:
2021 10th International Congress on Advanced Applied Informatics (IIAI-AAI).
Autor:
Takaaki Fujita, Koichi Yamazaki
Publikováno v:
Graphs and Combinatorics. 36:319-330
This paper extends the concept of filter on X into (X, f), where X is a finite underlying set and f is a symmetric submodular function from $$2^X$$ to N. Then, we show a cryptomorphism between a free ultrafilter and co-tangle on (X, f). The paper als
Autor:
Takaaki Fujita, Koichi Yamazaki
Publikováno v:
Open Journal of Discrete Mathematics. :7-10
The concept of linear tangle was introduced as an obstruction to mixed searching number. The concept of single ideal has been introduced as an obstruction to linear-width. Moreover, it was already known that mixed search number is equivalent to linea
Autor:
Koichi Yamazaki
Publikováno v:
La Révolution française.
On peut diviser cent-cinquante ans de l’historiographie japonaise de la Revolution francaise en trois epoque : l’ere Meiji (1868-1912), l’epoque apres la Seconde Guerre Mondiale (1945-1980) et l’epoque apres le bicentenaire de la Revolution.
Autor:
Koichi Yamazaki, Michiko Yasukawa
Publikováno v:
IIAI-AAI
Decision making for education at universities calls for objective analysis using reliable data. In addition to commonly used methodology, it is inspirational to introduce innovative approaches to large educational data analysis. In this study, we app
Autor:
Koichi, YAMAZAKI
Publikováno v:
鳴門教育大学小学校英語教育センター紀要. 7:21-30
本稿は,『Hi,Friends!1,2』の言語材料を統合化した「空港で迷子になったら…ごっこ」を扱っている。本実践では,将来起こりうる現象を英語で表現することで児童の興味・関心を一層引
Publikováno v:
Discrete Applied Mathematics. 216:203-210
A unit disk graph is a c -strip graph if it has a unit disk representation in which all centers of the unit disks lie between two parallel lines at distance c . The classes of c -strip graphs for various c are studied in the literature. For example,