Hideo Wada

Sophia University

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Takao Kitamura

Shikoku Research Institute

Fidel R. Nemenzo

University of the Philippines Diliman

Kohji Sakane

National Institute of Advanced Industrial Science and Technology

Shun Kawabe

Hitachi (Japan)

Shunsaku Katoh

Kagawa Junior College

Kiyoshi Nagata

Daito Bunka University

Kenta Ooi

National Institute of Advanced Industrial Science and Technology

Toru Miyakawa

National Defence Academy

Hideyuki Yoshioka

National Defence Academy

Jun Morimoto

Kyoto College of Graduate Studies for Informatics

Cooperative Institutions

Hitachi (Japan)

The University of Tokyo

Sophia University

Kyoto University

Tohoku University

University of Tsukuba

Tokyo Institute of Technology

National Institute of Advanced Industrial Science and Technology

Keio University

Chiba University

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An Overview of The HITACHI S-820 Supercomputer System

Informatik-Fachberichte (1989)

Michihiro Hirai Shun Kawabe Hideo Wada Shizuo Goto

Vector processor

Vectorization (mathematics)

SIMD

10.1007/978-3-642-74844-8_6

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Citations (2)

The number of self-dual codes over $${Z_{p^3}}$$

Designs Codes and Cryptography (2008)

Kiyoshi Nagata Fidel R. Nemenzo Hideo Wada

Duality (order theory)

Characterization

10.1007/s10623-008-9232-4

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Citations (12)

On efficient computation of the 2-parts of ideal class groups of quadratic fields

Proceedings of the Japan Academy Series A Mathematical Sciences (2004)

Julius M. Basilla Hideo Wada

We shall show a relation between Gauss' ternary quadratic form and an ideal of a quadratic field. Using this relation, we can compute rapidly the 2-part of ideal class group of a quadratic field in narrow sense and in wide sense.

Ideal class group

10.3792/pjaa.80.191

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Citations (2)

Architecture and Performance of the Hitachi SR2201 Parallel Processor System

IEICE technical report. Computer systems (1996)

H. Fujii Y. Yasuda H. Akashi Yasuhiro Inagami Masamori Kashiyama

Source

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Mass formula and structure of self-dual codes over $${{\bf Z}_{2^s}}$$

Designs Codes and Cryptography (2012)

Kiyoshi Nagata Fidel R. Nemenzo Hideo Wada

10.1007/s10623-011-9606-x

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Citations (5)

An elementary proof of Gauss' genus theorem

Proceedings of the Japan Academy Series A Mathematical Sciences (1992)

Fidel R. Nemenzo Hideo Wada

1. Preliminaries.Let m=/=l be a square-ree integer and d the discriminant of K--Q(/).If A and B are ideals in K such that A--(p

Elementary proof

10.3792/pjaa.68.94

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Citations (8)

Structure of solvated lithium and chloride ions in formamide

Journal of Solution Chemistry (1985)

Hitoshi Ohtaki Hideo Wada

Lithium chloride

10.1007/bf00647063

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Citations (14)

Computations of the rank of elliptic curve $y^2 = x^3 - n^2 x$

Proceedings of the Japan Academy Series A Mathematical Sciences (1994)

Hideo Wada Mayako Taira

Rank (graph theory)

10.3792/pjaa.70.154

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Citations (8)

Recovery of Lithium from Geothermal Water. II. Lithium Ion Adsorption by Hydrous Tin (IV) Oxide

Journal of the Mining and Metallurgical Institute of Japan (1983)

Kenta Ooi Takao Kitamura Hideo Wada Shunsaku Katoh

Lithium ion adsorption by hydrous tin (IV) oxide (HSnO) from dilute lithium chloride solution was investigated by using a batchwise method. The results are summarized as follows;1) The lithium adsorption was in equilibrium after one hour shaking.2) The lithium uptake increased with an increase in the pH of the solution. The lithium uptake from 1 mM lithium chloride solution was 40% at pH 9 when 150 mg HSnO was added to 10 ml solution. The lithium uptake decreased from 43% to 25% with the raise of adsorption temperature from 5°Cto 75°C.3) The coexisting salt, such as sodium chloride, sodium sulfate, sodium bicarbonate, sodium borate or sodium silicate slightly decreased the lithium uptake by HSnO, while the lithium uptake decreased from 40% to 12% by the addition of 10mM calcium chloride. Colloidal silica scarcely influenced the lithium adsorption.

Bicarbonate

Lithium chloride

10.2473/shigentosozai1953.99.1148_931

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Citations (2)

Secondary Photoacoustic Spectra of CdS: Cu by Gas-microphone Method : Photoacoustic Spectroscopy

Japanese Journal of Applied Physics (1985)

Hideo Wada Hideyuki Yoshioka Jun Morimoto Toru Miyakawa

Photoacoustic Spectroscopy

Photoacoustic effect

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