10 citations
4 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…
On the Strong Chromatic Index of Sparse Graphs
Philip DeOrsey, Jennifer Diemunsch, Michael Ferrara +7
The strong chromatic index of a graph , denoted , is the least number of colors needed to edge-color so that edges at distance at most two receive distinct colors.…
Primitive Collections and Toric Varieties
David A. Cox, Christine von Renesse
This paper studies Batyrev's notion of primitive collection. We use primitive collections to characterize the nef cone of a quasi-projective toric variety whose fan has convex supp…
Projective resolutions for graph products
Daniel E. Cohen
Let be a finite graph together with a group at each vertex . The graph product is obtained from the free product of all by factoring out by the normal sub…