Oyama Tatsuo

Tatsuo Oyama

Information about the author Tatsuo Oyama will soon be added to the site.
Found 6 papers in total
Statistical data analyses to elucidate the causes and improve the countermeasures for preventing train accidents in Japan
Statistical data analyses to elucidate the causes and improve the countermeasures for preventing train accidents in Japan
2006
We investigate train accident data in Japan to elucidate the causes and improve the...
Applying the shortest-path-counting problem to evaluate the importance of city road segments and the connectedness of the network-structured system
Applying the shortest-path-counting problem to evaluate the importance of city road segments and the connectedness of the network-structured system
2004
We consider the shortest-path-counting problem (SPCP), which asks how many shortest...
All-integer type linear programming model analyses for the optimal railway track maintenance scheduling
All-integer type linear programming model analyses for the optimal railway track maintenance scheduling
2004
Railway track irregularities have to be kept at a satisfactory level by taking...
Weight of shortest path analyses for the optimal location problem
Weight of shortest path analyses for the optimal location problem
2000
In this paper we consider the shortest path counting problem ( SPCP ): how many...
A mathematical programming/economic equilibrium model for the quantitative analysis of the stability of Japan’s energy system
A mathematical programming/economic equilibrium model for the quantitative analysis of the stability of Japan’s energy system
1989
Japan’s energy supply-demand system is fully dependent on the import of primary...
On a parametric divisor method for the apportionment problem
On a parametric divisor method for the apportionment problem
1991
Apportionment problem has been focused upon for more than 200 years by many applied...
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