Abstract
Hahn introduced the dierence operator Dq;!f(t) = f(qt + !) f(t)= t(q 1) + ! in 1949, where 0 0 are fixed real numbers. This operator extends the classical dierence operator M! f(t) = (f(t + !) f(t))=! as well as Jackson q dierence operator Dqf(t) = (f(qt)f(t))=(t(q 1)). In this paper, our target is to give a rigorous study of the theory of linear Hahn dierence equations of the form a0(t)Dn q;!x(t) + a1(t)Dn1 q;! x(t) + ::: + an(t)x(t) = 0: We introduce its fundamental set of solutions when the coecients are constant and the Wronskian associated with Dq;!. Hence, we obtain the corresponding Liouville's formula. Also, we derive solutions of the first and second order linear Hahn dierence equations with non-constant coffiecients. Finally, we present the analogues of the variation of parameter technique and the annihilator method for the non-homogeneous case.
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