@article{oai:soar-ir.repo.nii.ac.jp:00011700, author = {Kawamura, Y}, issue = {3}, journal = {PROGRESS OF THEORETICAL PHYSICS}, month = {Sep}, note = {We propose a generalization of spin algebra using three-index objects. Our results suggest the possibility that a triple commutation relation among three-index objects implies a kind of uncertainty relation involving their expectation values., Article, PROGRESS OF THEORETICAL PHYSICS. 110(3):579-587 (2003)}, pages = {579--587}, title = {Cubic matrices, generalized spin algebra and uncertainty relation}, volume = {110}, year = {2003} }