Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

• Username
• Password
• Remember me

• Sign in using OpenID
  
  
• Remember me

• Forgot your password?
• Apply for membership

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology definitions deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nforum nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

1. • CommentRowNumber1.
   • CommentAuthorUrs
   • CommentTimeFeb 5th 2019
   • PermaLink
   Author: Urs
   Format: MarkdownItexsome minimum, just for completeness <a href="https://ncatlab.org/nlab/revision/regular+value/1">v1</a>, <a href="https://ncatlab.org/nlab/show/regular+value">current</a>

   some minimum, just for completeness

   v1, current

2. • CommentRowNumber2.
   • CommentAuthorDmitri Pavlov
   • CommentTimeJul 17th 2022
   • PermaLink
   Author: Dmitri Pavlov
   Format: MarkdownItexAdded: ## Idea A __regular value__ of a map $f$ between [[smooth manifolds]] is an element of the codomain of $f$ that is not a __critical value__, i.e., not an image of a [[critical point]] of $f$. Redirect: critical value. <a href="https://ncatlab.org/nlab/revision/diff/regular+value/5">diff</a>, <a href="https://ncatlab.org/nlab/revision/regular+value/5">v5</a>, <a href="https://ncatlab.org/nlab/show/regular+value">current</a>

   Added:

   Idea

   A regular value of a map between smooth manifolds is an element of the codomain of that is not a critical value, i.e., not an image of a critical point of .

   Redirect: critical value.

   diff, v5, current