separating subfield
1Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
2Norm (mathematics) — This article is about linear algebra and analysis. For field theory, see Field norm. For ideals, see Norm of an ideal. For group theory, see Norm (group). For norms in descriptive set theory, see prewellordering. In linear algebra, functional… …
3Economic history — is the study of how economic phenomena evolved in the past. Analysis in economic history is undertaken using a combination of historical methods, statistical methods and by applying economic theory to historical situations. The topic includes… …
4Cubic field — In mathematics, specifically the area of algebraic number theory, a cubic field is an algebraic number field of degree three. Contents 1 Definition 2 Examples 3 Galois closure 4 …
5Articulatory phonetics — Manners of articulation Obstruent Plosive (occlusive) Affricate Fricative Sibilant Sonorant Nasal Flap/Tap Approximant …
6Compressible flow — is the area of fluid mechanics that deals with fluids in which the fluid density varies significantly in response to a change in pressure. Compressibility effects are typically considered significant if the Mach number (the ratio of the flow… …
7Environmental sociology — is typically defined as the sociological study of societal environmental interactions, although this definition immediately presents the perhaps insolvable problem of separating human cultures from the rest of the environment. Although the focus… …
8Sociocultural evolution — Cultural evolution redirects here. For gene culture coevolution, see Dual inheritance theory. Sociology …
9Convex optimization — Convex minimization, a subfield of optimization, studies the problem of minimizing convex functions over convex sets. Given a real vector space X together with a convex, real valued function defined on a convex subset of X, the problem is to find …
10Rhetoric of science — is a body of scholarly literature exploring the notion that the practice of scientific inquiry is a rhetorical activity. It emerged from a number of disciplines during the late twentieth century, including the disciplines of sociology, history,… …
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