PageHeader : Funkcialaj Ekvacioj, 36 (1993) 251-273 Title : Relations of Equations of Euler, Hermite and Weber Title : via the Heat Equation AuthorInfo : By AuthorInfo : Masatake MIYAKE AuthorInfo : (Nagoya University, Japan) AuthorInfo : Dedicated to Professor Masanori Kishi on his 60th birthday section : 1. Introduction section : 2. Preliminary section : 3. Results subsection : 3.1. The Euler equation (Eu) $\lambda$ subsection : 3.2. Symmetry of the heat equation. subsection : 3.3. The equations (Hr) $\lambda$ and (Wb) $\lambda$ . section : 4. Miscellaneous results subsection : 4.1. Fourier transformation. subsection : 4.2. Ascending and descending operators. The expressions subsection : 4.3. Developments in Hermite polynomials. section : Appendix Proof of Proposition 4.1. The following lemma is useful to prove Proposition 4.1. section : References