Finite type

Finite type refers to several related concepts in mathematics:

• Algebra of finite type, an associative algebra with finitely many generators
  • Morphism of finite type, a morphism of schemes with underlying morphisms on affine opens given by algebras of finite type
  • Scheme of finite type, a scheme over a field with a structure morphism of finite type
• Coxeter group of finite type, a Coxeter group whose Schläfli matrix has only positive eigenvalues
  • Coxeter matrix of finite type, a Coxeter matrix whose associated Schläfli matrix has only positive eigenvalues
  • Artin group of finite type, an Artin group arising as the finite Coxeter group of a Coxeter matrix of finite type
• Finite type invariant, a knot invariant that vanishes on knots with finitely many singularities
• Subshift of finite type, a shift space in symbolic dynamics

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