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Prior to 1960, many definitions for the term rigidity were afloat. One example includes Kurt Goldstein's, which he stated, "adherence to a present performance in an inadequate way", another being Milton Rokeach saying the definition was, "[the] inability to change one's set when the objective conditions demand it". [6]
Structural rigidity, a mathematical theory of the stiffness of ensembles of rigid objects connected by hinges; Rigidity (electromagnetism), the resistance of a charged particle to deflection by a magnetic field; Rigidity (mathematics), a property of a collection of mathematical objects (for instance sets or functions)
In particle physics, rigidity is a measure of the resistance of a particle to deflection by magnetic fields, defined as the particle's momentum divided by its charge. For a fully ionised nucleus moving at relativistic speed , this is equivalent to the energy per atomic number.
Mostow's rigidity theorem, which states that the geometric structure of negatively curved manifolds is determined by their topological structure. A well-ordered set is rigid in the sense that the only (order-preserving) automorphism on it is the identity function. Consequently, an isomorphism between two given well-ordered sets will be unique.
Einstellung (German pronunciation: [ˈaɪ̯nˌʃtɛlʊŋ] ⓘ) is the development of a mechanized state of mind.Often called a problem solving set, Einstellung refers to a person's predisposition to solve a given problem in a specific manner even though better or more appropriate methods of solving the problem exist.
The American Heritage Dictionary of the English Language (abbreviated AHD) uses a phonetic notation based on the Latin alphabet to transcribe the pronunciation of spoken English. It and similar respelling systems, such as those used by the Merriam-Webster and Random House dictionaries, are familiar to US schoolchildren.
If the pronunciation in a specific accent is desired, square brackets may be used, perhaps with a link to IPA chart for English dialects, which describes several national standards, or with a comment that the pronunciation is General American, Received Pronunciation, Australian English, etc. Local pronunciations are of particular interest in ...
Rigidity is the property of a structure that it does not bend or flex under an applied force. The opposite of rigidity is flexibility.In structural rigidity theory, structures are formed by collections of objects that are themselves rigid bodies, often assumed to take simple geometric forms such as straight rods (line segments), with pairs of objects connected by flexible hinges.