Proceedings of the American Mathematical Society, Vol. 104, No. 4 (Dec., 1988), pp. 1103-1110 (8 pages) For a class of linear partial differential equations with variable coefficients, it is shown ...

Given n observations of m-variates having known errors, the envelope of primes, associated with a given probability level, is shown to be a quadric primal the nature of which determines the ...

A sequence is defined by the recurrence relation \({U_n} = m{U_{n - 1}} + c\) Find the values of \(m\) and \(c\) if \({U_1} = - 3\), \({U_2} = 7\) and \({U_3} = 10 ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...