α	Constant linked to indenter geometry
aj, bj	Semiaxes of ellipse
b	Power-law exponent
CV	Coefficient of variation
Δhc	Discrepancy between Kick’s law and computed indentation curve
E	Young’s modulus
Err_abs	Macrohardness absolute error
Fj	Normal force
hc	Contact depth
hmax	Maximum indentation depth
H	Hölder exponent
Hth	Macrohardness of the material
H0	Macrohardness computed with curve shifting methodology
pj	Local pressure
pjm	Mean pressure undergone by a given asperity j
P	Indentation load
Re	Elastic limit
Sq	Root-mean-square deviation
θ	Angle of attack