A Frölicher space is a concept in the field of differential geometry and topology, particularly in the study of differentiable manifolds and structures. Specifically, a Frölicher space is a type of topological space that supports a frölicher structure, which is a way of formalizing the notion of differentiability. In more detail, a Frölicher space is defined as a topological space equipped with a sheaf of differentiable functions that resembles the structure of smooth functions on a manifold.
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