page_title: Round function
hierarchical_section_title: Round function
caption_attribution_description: This image shows a critical loop on the torus due to a scalar function on it
context_page_description: In topology and in calculus, a round function is a scalar function,
  over a manifold, whose critical points form one or several connected components, each homeomorphic to the circle
  , also called critical loops. They are special cases of Morse-Bott functions.
context_section_description: In topology and in calculus,  a round function is a scalar function ,  
  over a manifold , whose critical points form one or several connected components, each homeomorphic to the circle 
  , also called critical loops. They are special cases of Morse-Bott functions.
caption: The black circle in one of this critical loops.
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