FOCAL SURFACES OF WAVE FRONTS IN THE EUCLIDEAN 3-SPACE
FOCAL SURFACES OF WAVE FRONTS IN THE EUCLIDEAN 3-SPACE
复制标题
欧几里得 3 空间中波前的焦面
DOI:
10.1017/s0017089518000277
复制
发表时间:
2019
影响因子:
0.5
通讯作者:
TERAMOTO KEISUKE
中科院分区:
文献类型:
--
作者:
Ebisawa;Y.;海老澤 勇治;TERAMOTO KEISUKE
We characterise singularities of focal surfaces of wave fronts in terms of differential geometric properties of the initial wave fronts. Moreover, we study relationships between geometric properties of focal surfaces and geometric invariants of the initial wave fronts.