Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Harald Hofstätter, Othmar Koch. Non-satisfiability of a positivity condition for commutator-free exponential integrators of order higher than four. Numerische Mathematik, 141(3):681-691, 2019. [doi]
Abstract is missing.