傅立叶级数和球面调和函数的几何应用作者: H.GROEMER 出版时间:2000年版内容简介 In 1901 Adolf Hurwitz published a short note showing that Fourier series can be used to prove the isoperimetric inequality for domains in the Euclidean plane,and in a subsequent article he showed how spherical harmonics can be utilized to prove an analogous inequality for thr...