Overlap may refer to: * In set theory, an overlap of elements shared between sets is called an

intersection In mathematics, the intersection of two or more objects is another object consisting of everything that is contained in all of the objects simultaneously. For example, in Euclidean geometry, when two lines in a plane are not parallel, their ...

, as in a Venn diagram. * In music theory, overlap is a synonym for

reinterpretation Musical phrasing is the method by which a musician shapes a sequence of notes in a passage of music to allow expression, much like when speaking English a phrase may be written identically but may be spoken differently, and is named for the in ...

of a chord at the boundary of two musical phrases *

Overlap (railway signalling) An overlap in railway signalling is the length of track beyond a stop signal that is proved to be clear of vehicles in the controls of the previous signal, as a safety margin. Overview Enough braking distance is provided to allow a train to com ...

, the length of track beyond a stop signal that is proved to be clear of obstructions as a safety margin *

Overlap (road) In a road network, a concurrency is an instance of one physical Carriageway, roadway bearing two or more different route numbers. The practice is often economically and practically advantageous when multiple routes must pass between a single mou ...

, a place where multiple road numbers overlap *

Overlap (term rewriting) In mathematics, computer science and logic, overlap, as a property of the reduction rules in term rewriting system In mathematics, computer science, and logic, rewriting covers a wide range of methods of replacing subterms of a formula with othe ...

, in mathematics, computer science, and logic, a property of the reduction rules in term rewriting systems *

Overlap add Overlap may refer to: * In set theory, an overlap of elements shared between sets is called an intersection, as in a Venn diagram. * In music theory, overlap is a synonym for reinterpretation of a chord at the boundary of two musical phrases * Ove ...

, an efficient convolution method using FFT *

Overlap coefficient The overlap coefficient, or Szymkiewicz–Simpson coefficient, is a similarity measure that measures the overlap between two finite sets. It is related to the Jaccard index and is defined as the size of the intersection divided by the size of the s ...

, a similarity measure between sets *

Orbital overlap In chemical bonds, an orbital overlap is the concentration of orbitals on adjacent atoms in the same regions of space. Orbital overlap can lead to bond formation. The general principle for orbital overlap is that, the greater the overlap between ...

, important concept in quantum mechanics describing a type of orbital interaction that affects bond strength * Overlap, publisher of the light novel series '' Arifureta: From Commonplace to World's Strongest'' Overlapping can refer to: * "Reaching over", term in Schenkerian theory, see Schenkerian analysis#Lines between voices, reaching over

See also