lower triangular matrix
121Ingrown nail — Classification and external resources An ingrown toenail ICD 10 L60.0 …
122History of slavery — The history of slavery uncovers many different forms of human exploitation across many cultures throughout history. Slavery, generally defined, refers to the systematic exploitation of labor traced back to the earliest records, such as the Code… …
123Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
124Cauchy distribution — Not to be confused with Lorenz curve. Cauchy–Lorentz Probability density function The purple curve is the standard Cauchy distribution Cumulative distribution function …
125Lie algebra — In mathematics, a Lie algebra is an algebraic structure whose main use is in studying geometric objects such as Lie groups and differentiable manifolds. Lie algebras were introduced to study the concept of infinitesimal transformations. The term… …
126Lotus Seven — Infobox Automobile name = Lotus Seven aka = Lotus 7 manufacturer = Lotus Cars parent company = production = 1957–1972 predecessor = Lotus 6 successor = Caterham 7 class = Sports car platform = Series 1 Series 2 Series 3 Series 4 layout = body… …
127Movie projector — This article is concerned with technical aspects of moving film projection. For non film movie projection, see digital cinema. For historical aspects, see the article history of cinema. 35 mm movie projector in operation …
128Surface reconstruction — refers to the process by which atoms at the surface of a crystal assume a different structure than that of the bulk. Surface reconstructions are important in that they help in the understanding of surface chemistry for various materials,… …
