# or+characteristic

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**Characteristic 2 type**— In mathematical finite group theory, a group is said to be of characteristic 2 type or even type or of even characteristic if it resembles a group of Lie type over a field of characteristic 2. In the classification of finite simple groups, there… …42

**characteristic**— char|ac|ter|is|tic1 [ ,kerəktə rıstık ] noun count ** a particular quality or feature that is typical of someone or something: In the future parents may be able to choose their children s physical characteristics. the main/defining/distinguishing …43

**Characteristic x-ray**— A high energy electron interacts with a bound electron in an atom and ejects it. The incident electron is scattered and the target electron gets displaced from its shell. The incident electron energy must exceed the binding energy of the electron …44

**characteristic**— {{Roman}}I.{{/Roman}} noun ADJECTIVE ▪ defining, distinctive, distinguishing, identifying, individual, special, striking, unique ▪ Mobility is the defining characteris …45

**Characteristic time**— The characteristic time is an estimate of the order of magnitude of the reaction time scale. It can loosely be defined as the inverse of the reaction rate. In chemistry, the characteristic time is used to determine whether the problem needs to be …46

**Characteristic earthquakes**— Almost all geology is fractal and scale invariant. That means you should always put in a scale when taking pictures of rock formations. For example, in this picture, you can’t tell if it is 6 m or 6 km across. It’s actually an ASTER satellite… …47

**Characteristic multiplier**— In mathematics, and particularly ordinary differential equations, a characteristic multiplier is an eigenvalue of a monodromy matrix. The logarithm of a characteristic multiplier is also known as characteristic exponent. They appear in Floquet… …48

**Characteristic function (convex analysis)**— In the field of mathematics known as convex analysis, the characteristic function of a set is a convex function that indicates the membership (or non membership) of a given element in that set. It is similar to the usual indicator function, and… …49

**Characteristic property**— A characteristic property is a chemical or physical property that helps identify and classify substances. The characteristic properties of a substance are always the same whether the sample you are observing is large or small. Examples of… …50

**characteristic portfolio**— A portfolio which efficiently represents a particular asset characteristic. For a given characteristic, it is the minimum risk portfolio, with portfolio characteristic equal to 1. For example, the characteristic portfolio of asset betas is the… …