by Chabert, Jean-Luc, Cahen, Paul-Jean
fromMathematical surveys and monographs
This paper studies the reduction theory of analytic parametric families of systems of linear meromorphic differential equations in the neighborhood of an irregular singularity.
by Buchsbaum, David A., Auslander, Maurice
fromHarpers series in modern mathematics
This paper is largely devoted to the behaviour of operators which are polynomials (in several variables) in full and one-sided shifts, together with their corresponding Toeplitz operators, with consequences for product type actions of compact connected Lie groups. Problems are o…
