Introduzione
Abstract
En
Given a countably paracompact normal space with a closed subspace and a finite derected graph with a subgraph , there are bijections from the sets of homotopy classes and to the sets of o*-homotopy classes and respectively (see 3).Here we prove,by some examples,that certain conditions on weaker than the ones required in (3) are not sufficent to prove the results given above.
Given a countably paracompact normal space with a closed subspace and a finite derected graph with a subgraph , there are bijections from the sets of homotopy classes and to the sets of o*-homotopy classes and respectively (see 3).Here we prove,by some examples,that certain conditions on weaker than the ones required in (3) are not sufficent to prove the results given above.
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