 ##  [B-Calculus](/index.php/b-calculus) 

  ##  [B-Calculus](https://mathlogic.quantumdictionary.io/b-calculus-0) 

  
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- Natural &amp; Formal Sciences -

**Mathematics &amp; Logic Dictionary**

 
Definition

A pseudodifferential calculus, introduced by Melrose, built from vector fields tangent to the boundary (the b-tangent bundle) that organizes symbols and operators adapted to manifolds with boundary and to degeneracies at the boundary.