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Login.gov is a single sign-on solution for US government websites. It enables users to log in to services from numerous government agencies using the same username and password. Login.gov was jointly developed by 18F and the US Digital Service . [1]
Polarization identity. In linear algebra, a branch of mathematics, the polarization identity is any one of a family of formulas that express the inner product of two vectors in terms of the norm of a normed vector space. If a norm arises from an inner product then the polarization identity can be used to express this inner product entirely in ...
Melatonin is a hormone made in the body. It regulates night and day cycles or sleep-wake cycles. Melatonin in supplements is usually made in a lab. Darkness triggers the body to make more ...
V-statistic. V-statistics are a class of statistics named for Richard von Mises who developed their asymptotic distribution theory in a fundamental paper in 1947. [1] V-statistics are closely related to U-statistics [2] [3] (U for "unbiased") introduced by Wassily Hoeffding in 1948. [4] A V-statistic is a statistical function (of a sample ...
U wave. An electrocardiogram of an 18-year-old male showing 'U' waves, most evident in lead V3. The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result of its small size. 'U' waves are thought to represent repolarization of the Purkinje fibers.
These are records for Grand Slam tournaments, also known as majors, which are the four most prestigious annual tennis events: Australian Open, French Open, Wimbledon, and US Open. All records are based on official data from the majors. In the case of ties, players are listed in chronological order of reaching the record.
U.2. U.2 (pronounced 'u-dot-2' [1] ), using the port SFF-8639, is a computer interface standard for connecting solid-state drives (SSDs) to a computer. It covers the physical connector, electrical characteristics, and communication protocols. It was developed for the enterprise market and designed to be used with new PCI Express drives along ...
U is used in the symbol of the World War II organization Ustaše. U is an honorific in Burmese. Related characters Ancestors, descendants and siblings. 𐤅 : Semitic letter Waw, from which the following symbols originally derive Υ υ : Greek letter Upsilon, from which U derives V v : Latin letter V, descended from U