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Asymmetric warfare (or asymmetric engagement) is a type of war between belligerents whose relative military power, strategy or tactics differ significantly. This type of warfare often, but not necessarily, involves insurgents , terrorist groups , or resistance militias operating within territory mostly controlled by the superior force.
Asymmetry is the absence of, or a violation of, symmetry (the property of an object being invariant to a transformation, such as reflection). [1] Symmetry is an important property of both physical and abstract systems and it may be displayed in precise terms or in more aesthetic terms. [2]
An asymmetric relation need not have the connex property. For example, the strict subset relation is asymmetric, and neither of the sets {,} and {,} is a strict subset of the other. A relation is connex if and only if its complement is asymmetric.
For example, a zero value in skewness means that the tails on both sides of the mean balance out overall; this is the case for a symmetric distribution but can also be true for an asymmetric distribution where one tail is long and thin, and the other is short but fat.
Some significant regions that can present as asymmetrical in the brain can result in either of the hemispheres due to factors such as genetics. An example would include handedness. Handedness can result from asymmetry in the motor cortex of one hemisphere.
In case of directional asymmetry, most individuals of a species are asymmetric to the same side, even though some individuals can be symmetric, or even asymmetric to the opposite side (cf., e.g., handedness). The relation between directional and fluctuating asymmetry is comparable to the concepts of accuracy and precision in empirical measurements.
Asymmetric federalism or asymmetrical federalism is found in a federation or other types of union in which different constituent states possess different powers: one or more of the substates has considerably more autonomy than the other substates, although they have the same constitutional status.
Asymmetric cryptography, in public-key cryptography Asymmetric digital subscriber line , Internet connectivity Asymmetric multiprocessing , in computer architecture