Budget Amount *help |
¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2010: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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Research Abstract |
The smooth unknotting conjecture in dimension four is reduced to the case which is connected by a one-parameter family with one intersection point to the unknot, by assuming our Markov type theorem. Moreover, since the reduced case can be studied by a kind of tree type Cayley diagram for the corresponding word problem, the conjecture is expected to be proved in a near future.
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