= Zdzislaw Jackiewicz
{c}
<Zdzislaw Jackiewicz> is a <mathematician> working in <numerical analysis> whose work includes methods for <ordinary differential equations>, <delay differential equations> and <Volterra integral equations>. His authored account of <general linear methods> describes a framework combining internal stage evaluations with a vector of information passed between successive time steps.<General linear methods by Zdzislaw Jackiewicz>[Definition section, equations (1)–(2)]{ref}
For $y'=f(y)$, a <Runge-Kutta method> passes an approximation to $y$ between steps while computing several intermediate stages. A <linear multistep method> instead retains values from several earlier times. <General linear methods> put both patterns in one matrix formulation, allowing accuracy and <numerical stability> to be designed together. His Arizona State University profile identifies this subject and the construction of implicit-explicit methods as research interests.https://search.asu.edu/profile/78586[Long Bio and Research Interests]{ref}
\Image[https://webapp4.asu.edu/photo-ws/directory_photo/polka?blankImage2=1&break=1793130295&size=medium]
{title=Zdzislaw Jackiewicz, identified by Arizona State University}
{height=240}
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