This paper deals with discerete phenomena in uniqueness in the Cauchy problemsum from i?j=0 to n (i?j/0)aijuxixj+sum from i=0 to n(i/0)biuxi+cu=0,x0>0, u(0,x1,…,xn)=ux0(0,x1,…,xn) =0We prove that the prob...This paper deals with discerete phenomena in uniqueness in the Cauchy problemsum from i?j=0 to n (i?j/0)aijuxixj+sum from i=0 to n(i/0)biuxi+cu=0,x0>0, u(0,x1,…,xn)=ux0(0,x1,…,xn) =0We prove that the problem only has trivial solutions in the neighbourhood of the origin, if bo(0)-Z sum from i=1 to n(i/1)(2ai + 1)λi≠0,λi>0 being the square roots of the eigenvalues of the product of matrices(?2aoo/?xi?xi(0)(i?j=i,….?and (aif(0))ii?f….,and ai being the arbitrarily non-negative integers.展开更多
文摘This paper deals with discerete phenomena in uniqueness in the Cauchy problemsum from i?j=0 to n (i?j/0)aijuxixj+sum from i=0 to n(i/0)biuxi+cu=0,x0>0, u(0,x1,…,xn)=ux0(0,x1,…,xn) =0We prove that the problem only has trivial solutions in the neighbourhood of the origin, if bo(0)-Z sum from i=1 to n(i/1)(2ai + 1)λi≠0,λi>0 being the square roots of the eigenvalues of the product of matrices(?2aoo/?xi?xi(0)(i?j=i,….?and (aif(0))ii?f….,and ai being the arbitrarily non-negative integers.