@article{oai:u-ryukyu.repo.nii.ac.jp:02019591, author = {Sudo, Takahiro}, journal = {Ryukyu Mathematical Journal}, month = {Dec}, note = {We study noncommutative geometry (NG) by Connes, as a step forward to special understanding the theory as a memory keeping exercise back to the past for a return to the future.}, pages = {13--57}, title = {From making pairing of cyclic cohomology with K-theory for algebras with derivations to the noncommutative rotation by elliptic index theory as specialized}, volume = {35}, year = {2022} }