10 citations · 21 across the 4 of their papers we have counts for
16 papers
Two examples of ungrading in higher education from the United States and from Germany
Christine von Renesse, Sven A. Wegner
In this paper the authors discuss their experiences with ungrading at a small public university in the U.S. as well as a large public university in Germany. The courses described a…
A Lumer-Phillips type generation theorem for bi-continuous semigroups
Christian Budde, Sven-Ake Wegner
The famous 1960s Lumer-Phillips Theorem states that a closed and densely defined operator on a Banach space generates a strongly continuo…
The category of Silva spaces is not integral
Marianne Lawson, Sven-Ake Wegner
We establish that the category of Silva spaces, aka LS-spaces, formed by countable inductive limits of Banach spaces with compact linking maps as objects and linear and continuous…
The left heart and exact hull of an additive regular category
Ruben Henrard, Sondre Kvamme, Adam-Christiaan van Roosmalen +1
Quasi-abelian categories are abundant in functional analysis and representation theory. It is known that a quasi-abelian category is a cotilting torsionfree class of…
Lecture notes on high-dimensional data
Sven-Ake Wegner
These are lecture notes based on the first part of a course on 'Mathematical Data Science', which I taught to final year BSc students in the UK in 2019-2020. Topics include: concen…
Examples and non-examples of integral categories and the admissible intersection property
Souheila Hassoun, Amit Shah, Sven-Ake Wegner
Integral categories form a sub-class of pre-abelian categories whose systematic study was initiated by Rump in 2001. In the first part of this article we determine whether several…