T. Tsutsui

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The most basic way of solving linear partial differential equations and the first method learned by the vast majority of students is the method of separation of variables. This method consists of the following: We attempt to find a family of solutions with a special form, and then try to obtain all solutions as linear combinations of these special(More)
The public long-term care insurance program for the elderly in Japan set out in 2000 toward establishing a new system whereby citizens can be assured that they will receive care and be supported by the society as a whole. The insurance program includes computer-aided certification processes to estimate the needs for nursing care for clients. In this work,(More)
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