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O. Krzysik

21 papers hereh-index 8179 citations28 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author7
  • middle author11
  • last author2

Across the 20 of 21 papers where every author was matched, so the position is known.

fields
  • math.NA20
  • cs.LG1

identity via Semantic Scholar / OpenAlex

activity
20192026
most citedOptimizing multigrid reduction-in-time (MGRIT) and Parareal coarse-grid operators for linear advection

32 citations · 51 across the 21 of their papers we have counts for

collaborators
Showing 2021Show all

3 papers · 1 filter

math.NA2021★ 3 cited

Anderson Acceleration as a Krylov Method with Application to Asymptotic Convergence Analysis

Hans De Sterck, Yunhui He, Oliver A. Krzysik

Anderson acceleration (AA) is widely used for accelerating the convergence of nonlinear fixed-point methods xk+1​=q(xk​), xk​∈Rn, but little is known about ho…

math.NA2021

Fast solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part II: nonlinearities and DAEs

Ben S. Southworth, Oliver Krzysik, Will Pazner

Fully implicit Runge-Kutta (IRK) methods have many desirable accuracy and stability properties as time integration schemes, but high-order IRK methods are not commonly used in prac…

math.NA2021

Fast solution of fully implicit Runge-Kutta and discontinuous Galerkin in time for numerical PDEs, Part I: the linear setting

Ben S. Southworth, Oliver Krzysik, Will Pazner +1

Fully implicit Runge-Kutta (IRK) methods have many desirable properties as time integration schemes in terms of accuracy and stability, but high-order IRK methods are not commonly…

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