Mathematical Inequalities & Applications · Volume 19, Issue 1 On the upper and lower estimates of norms in variable exponent spaces 19-07 Pages 85-100 DOI 10.7153/mia-19-07 Downloads Short PDF Full PDF PNG Authors Tengiz Kopaliani Nino Samashvili Shalva Zviadadze Keywords upper p-estimate lower q-estimate variable exponent Lebesgue space Hardy-Littlewood maximal operator Subject classes 42B35 42B20 46B45 42B25