A method for optimization constrained by principal directions of variations in an observation X-matrix is developed. The optimization has the form of a linear program/linear programs, where the constraints describing the influence of one variable on the others are given by one PLS component or a com
On Δ-principal directions of a congruence of curves in a FINSLER hypersurface
✍ Scribed by C. M. Prasad
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 443 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0025-584X
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
In the existing literature of FINSLER spaces, it has been stressed [ELIOPOULOS 1959, RUND 1956] that the process of Δ‐differentiation leads to the use of DUPIN's indicatrix in finding out the principal directions at a point of a hypersurface which are indeterminate. The process of Δ‐differentiation [4, 7] requires the use of the osculating DUPIN's indicatrix corresponding to a line‐element of FINSLER hypersurface which leads to the linear eigen value problem and thereby helps in determining the principal directions of a congruence of curves. This fact increases the scope of the theory of FINSLER spaces to a considerable extent. In this paper, therefore, an attempt has been made to find the Δ‐principal directions, generalized EULER's theorem, minimal congruences, Δ‐geodesic principal directions and Δ‐absolute curvature of the congruence with respect of a curve of F~n −1~.
📜 SIMILAR VOLUMES
## Abstract We give a generalization of an algebraic formula of Gomez‐Mont for the index of a vector field with isolated zero in (ℂ^__n__^, 0) and tangent to an isolated hypersurface singularity. We only assume that the vector field has an isolated zero on the singularity here.
In this paper the number of directions determined by a set of q&n points of AG(2, q) is studied. To such a set we associate a curve of degree n and show that its linear components correspond to points that can be added to the set without changing the set of determined directions. The existence of li