x_{b}^{a} x_{b}^{a} min_{A} max_{B} \underset{C}{det} \underset{A}{Pr} \underset{A}{gcd} {\dot{u}}^{2} {\bar{u}}_{ε} {\underset{̲}{u}}_{b}^{a} \overset{term}{\overset{⏞}{a + b}} \overset{c}{\overset{⎴}{a + b}} \underset{c}{\underset{⏟}{a + b}} \underset{c}{\underset{⎵}{a + b}}^{H} e 3_{x} A_{x}^{3}