In this paper, in order to find a set of element orders of projective special liner group PSL(2,q) and num-bers of elements every order and order of group,we give a search algorithm and discuss complexity of the algor...In this paper, in order to find a set of element orders of projective special liner group PSL(2,q) and num-bers of elements every order and order of group,we give a search algorithm and discuss complexity of the algorithm.展开更多
The Lie algebra of derivations of rational function field C(t) is C(t) dt/d.The automorphism group of C(t) is well known as to be isomorphic to the projective linear groupPGL(2, C). In this short note we prove that ev...The Lie algebra of derivations of rational function field C(t) is C(t) dt/d.The automorphism group of C(t) is well known as to be isomorphic to the projective linear groupPGL(2, C). In this short note we prove that every automorphism of C(t) dt/d can be induced in anatural way from an automorphism of C(t).展开更多
文摘In this paper, in order to find a set of element orders of projective special liner group PSL(2,q) and num-bers of elements every order and order of group,we give a search algorithm and discuss complexity of the algorithm.
文摘The Lie algebra of derivations of rational function field C(t) is C(t) dt/d.The automorphism group of C(t) is well known as to be isomorphic to the projective linear groupPGL(2, C). In this short note we prove that every automorphism of C(t) dt/d can be induced in anatural way from an automorphism of C(t).