“…When p(x, t) > 1 is a measurable function on Q T , equation (1.1) arises in electrorheological fluids theory [1]. If f (x, t) = 0, a(x, t) = 1 for all (x, t) ∈ Q T , the existence and uniqueness results of equation (1.1) have been obtained in [2][3][4][5][6] etc. If p(x, t) = p > 1 is a constant, a(x, t) = 1 and f (x, t) = 0, equation (1.1) is well known as non-Newtonian fluid equation and has been studied by many mathematicians, one can refer to [7][8][9][10][11][12][13][14][15] and the references therein.…”