1. Closedness of the k-numerical range. Issue 11 (24th July 2022) Authors: Chan, J. T.; Li, C. K.; Poon, Y. T. Journal: Linear & multilinear algebra Issue: Volume 70:Issue 11(2022) Page Start: 2178 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗