ultradifferential

English

Etymology

ultra- +‎ differential

Adjective

ultradifferential (not comparable)

1. (mathematics) A generalization of a differential that is calculated over an ultradistribution.
   • 2016, Jürgen Pöschel, “A new approach to ultradifferentiable functions”, in arXiv‎^[1]:

     We give new and simpler proofs of more general results for the inverse and implicit function theorem as well as the existence theorem for ode's in classes of ultradifferential functions.