1. A Generalization of the Steiner Inellipse. Issue 5 (27th May 2020) Authors: Tupan, Alexandru Journal: American Mathematical Monthly Issue: Volume 127:Issue 5(2020) Page Start: 428 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. A Simple Proof of the Siebeck–Marden Theorem. Issue 8 (13th September 2020) Authors: Tupan, Alexandru Journal: American Mathematical Monthly Issue: Volume 127:Issue 8(2020) Page Start: 734 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Inellipses of Convex Polygons, Brianchon's Theorem, and Bradley's Theorem. Issue 1 (31st December 2021) Authors: Tupan, Alexandru Journal: American Mathematical Monthly Issue: Volume 129:Issue 1(2022) Page Start: 4 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Pentagram Configurations for Pentagons and Hexagons. Issue 6 (31st May 2022) Authors: Tupan, Alexandru Journal: American Mathematical Monthly Issue: Volume 129:Issue 6(2022) Page Start: 554 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗