文摘
Let G be a finite group, e4774ec1bc07f0223ffa7ee73" title="Click to view the MathML source">S the subgroup category of G, and M a Mackey functor on G . For full subcategories e6f9e07d5fe559e84ced87" title="Click to view the MathML source">G and a5c80fd6fe6db4be9b73f16106b2" title="Click to view the MathML source">H of e4774ec1bc07f0223ffa7ee73" title="Click to view the MathML source">S, we have the direct limit b43e243819fc89fc7" title="Click to view the MathML source">M⁎(G) and the inverse limit e6ffa0784c45833b587b61" title="Click to view the MathML source">M⁎(H) of M . In this paper we study relation between the canonical homomorphisms ind:M⁎(G)→M(G) and a81f0aef9a5d4dc066d5ee455b8d36" title="Click to view the MathML source">res:M(G)→M⁎(H).