@article{paperid:1080742,
author = {Mao-Ting Chien and Hiroshi Nakazato and Sal Moslehian, Mohammad and Ali Zamani},
title = {Generating curves of the inverse q-numerical ranges of 2-by-2 matrices},
journal = {Archiv der Mathematik},
year = {2020},
volume = {115},
number = {6},
month = {December},
issn = {0003-889X},
pages = {667--677},
			numpages = {10},
keywords = {Inverse q-numerical range
    Quartic curve
    Singular point
    Davis–Wielandt shell},
}