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We review Quillen’s concept of a model category as the proper setting for defining derived functors in non-abelian settings, explain how one can transport a model structure from one category to(More)
We describe a procedure for recovering X from the space of maps from M into X, when M is constructed by cofibers of self-maps. This can be used to define an M-CW approximation functor. The case when(More)
We analyzed the phosphorylation and the dynamics of TCR/CD3, CD8 and MHC class I molecules during the activation of a CD8+ cytotoxic T lymphocyte clone and of CD8- T helper hybridomas transfected(More)