期刊: BOLETIM SOCIEDADE PARANAENSE DE MATEMATICA, 2021; 39 (4)
In the paper, by virtue of the Faa di Bruno formula and identities for the Bell polynomials of the second kind, the author simplifies coefficients in ......
期刊: BOLETIM SOCIEDADE PARANAENSE DE MATEMATICA, 2021; 39 (5)
Let A and B be two prime *-rings. Let Phi : A -> B be a bijective and satisfies Phi(A circle(lambda) P circle(lambda) P) = Phi(A)circle(lambda) Phi......