ACTA issues

## Bessel's inequality in terms of a basis of $V_k$

Miodrag M. Spalević

Acta Sci. Math. (Szeged) 65:1-2(1999), 169-177
2679/2009

 Abstract. Properties of reproducing kernel function, Bessel's inequality, Parseval's identity in terms of an orthogonal basis of the space of all polynomials in $d$, where $d\in N\setminus\{1\}$, variables are studied. AMS Subject Classification (1991): 42C05, 33C50 Keyword(s): multivariate orthogonal polynomials Received February 26, 1998 and in revised form September 21, 1998. (Registered under 2679/2009.)