Abstract In the present paper we are concerned with problem of characterization maps which can be expressed as an affine difference i.e. a map form $$\begin{aligned} tf(x)+(1-t)f(y)-f(tx+(1-t)y), \end{aligned}$$ t f ( x <mml:mo...

ender-related differences in coronary artery disease have een long recognized (1,2). There are distinct differences in linical presentation, outcome, and intensity of investigation nd therapy. Less emphasis had previously been directed owards gender differences in arrhythmias, although it has ong been known that women have a higher mean heart rate nd a longer QT interval (3). Differences in out...