Morse-Smale graphs are graphical representations of the critical points and trajectories of a Morse function on a manifold, incorporating both the topology of the space and the dynamics of the flow generated by the function. These graphs illustrate how the critical points connect through the flow, allowing for a visual understanding of the topology of the manifold in relation to the function. The structure of Morse-Smale graphs helps to derive topological invariants and can be used to study the global behavior of dynamical systems.
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