| Budget Amount *help |
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
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| Outline of Final Research Achievements |
The aim of this research was capturing the higher dimensional structure of discrete metric spaces and getting some rigidity results as applications of this structure. We could not obtain a satisfactory result describing the higher dimensional structure of discrete sets, however, using an observation and results obtained in the course of this research, we proved that certain random groups have strong fixed-point property for a wide class of nonpositively curved metric spaces. Also we gave some good estimates of nonlinear spectral gap for some embeddings of discrete metric spaces into nonpositively curved metric spaces.
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