Look up: weak-form

1. weak form
   Can refer to the weak form of the efficient markets hypothesis, which is that any information in the past prices of a security are fully reflected in its current price. Fama (1991) broadens the category of tests of the weak form hypothesis under the name of 'test for return predictability.' Source: Fama, 1970 Contexts: finance
   Found on http://www.econterms.com/glossary.cgi?qu
   
   
2. Weak Head Normal Form
   (reduction, lambda calculus) (WHNF) A lambda expression is in weak head normal form (WHNF) if it is a head normal form (HNF) or any lambda abstraction. I.e. the top level is not a redex. The term was coined by Simon Peyton Jones to make explicit the difference between head normal form (HNF) and wha...
   Found on http://foldoc.org/Weak+Head+Normal+Form
   
   
3. Weakened weak form
   `Weakened weak form` (or W2 form) is used in the formulation of general numerical methods based on meshfree methods and/or finite element method settings. These numerical methods are applicable to solid mechanics as well as fluid dynamics problems. Description: For simplicity we choose elasticity pr...
   Found on http://en.wikipedia.org/wiki/Weakened_we