This is a preview. Log in through your library . Abstract Let R be a commutative ring, v(X) a unimodular n-vector (n ⩾ 3) over R[ X ]. Suppose the leading coefficients in v(X) form a unimodular vector ...
Vector time series data are widely met in practice. In this paper we propose a multivariate functional-coefficient regression model with heteroscedasticity for modelling such data. A local linear ...
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