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In probability theory and statistics, the chi distribution is a continuous probability distribution over the non-negative real line. It is the distribution...

Kripke semantics (also known as relational semantics or frame semantics, and often confused with possible world semantics) is a formal semantics for non-classical...

The Beaufort cipher, invented by some Giovanni Sestri in early 18th century but widely attributed to Sir Francis Beaufort, is a substitution cipher similar...

The term complex polygon can mean two different things: In geometry, a polygon in the unitary plane, which has two complex dimensions. In computer graphics...

In mathematics, a quasisimple group (also known as a covering group) is a group that is a perfect central extension E of a simple group S. In other words...

Chaffing and winnowing is a cryptographic technique to achieve confidentiality without using encryption when sending data over an insecure channel. The...