Closed form may refer to:

Mathematics

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  • Closed-form expression, a finitary expression
  • Closed differential form, a differential form   whose exterior derivative   is the zero form  , meaning  .

Poetry

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  • In poetry analysis, a type of poetry that exhibits regular structure, such as meter or a rhyming pattern
  • Trobar clus, an allusive and obscure style adopted by some 12th-century troubadours