<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>Hello,<br><br>Is there a deflated Krylov solver available in PETSc? If yes, what is the corresponding solver name when calling KSPSetType? Does it work with any existing preconditioners?<br><br>Many thanks for your info!<br><br>Regards,<br>Qin</div> </div></body></html>