In geometry, a disk (also spelled disc) is the region in a plane bounded by a circle. A disk is said to be closed if it contains the circle that constitutes...

disc or disk in Wiktionary, the free dictionary. Disc or disk may refer to: Disk (mathematics), a two dimensional shape, the interior of a circle Disk storage...

sphere Ball – ordinary meaning Disk (mathematics) Formal ball, an extension to negative radii Neighbourhood (mathematics) Sphere, a similar geometric shape...

Towers, or simply pyramid puzzle) is a mathematical game or puzzle consisting of three rods and a number of disks of various diameters, which can slide...

Euler's Disk, invented between 1987 and 1990 by Joseph Bendik, is a trademarked scientific educational toy. It is used to illustrate and study the dynamic...

can be arranged in such a way as to cover the unit disk? More unsolved problems in mathematics The disk covering problem asks for the smallest real number...

A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using...

In mathematics, a subset C of a real or complex vector space is said to be absolutely convex or disked if it is convex and balanced (some people use the...

In mathematics, the open unit disk (or disc) around P (where P is a given point in the plane), is the set of points whose distance from P is less than...

dynamics, momentum theory or disk actuator theory is a theory describing a mathematical model of an ideal actuator disk, such as a propeller or helicopter...

itself. Therefore, the area of a disk is the more precise phrase for the area enclosed by a circle. Modern mathematics can obtain the area using the methods...

In mathematics, a plane is a two-dimensional space or flat surface that extends indefinitely. A plane is the two-dimensional analogue of a point (zero...

In optics, the Airy disk (or Airy disc) and Airy pattern are descriptions of the best-focused spot of light that a perfect lens with a circular aperture...

geometry, a circular segment or disk segment (symbol: ⌓) is a region of a disk which is "cut off" from the rest of the disk by a straight line. The complete...

Open disc can refer to: a disk (mathematics) which does not include the circle forming its boundary the OpenDisc software project This disambiguation...

knot complements to ribbon disk complements". Princeton DataSpace. Retrieved 2022-03-12. "Maggie Miller - The Mathematics Genealogy Project". www.mathgenealogy...

surface other than a sphere is incompressible if any disk with its boundary on the surface spans a disk in the surface. Incompressible surfaces are used for...

In mathematics, an annulus (pl.: annuli or annuluses) is the region between two concentric circles. Informally, it is shaped like a ring or a hardware...

called the open unit disk, while the interior of the unit circle combined with the unit circle itself is called the closed unit disk. One may also use other...

In the mathematical area of knot theory, a ribbon knot is a knot that bounds a self-intersecting disk with only ribbon singularities. Intuitively, this...

rotating infinitely long plane disk, named after Theodore von Kármán who solved the problem in 1921. The rotating disk acts as a fluid pump and is used...

|}\,v^{*}\,z+u^{*}\,{\bigr |}} so that their ratio lies in the open disk. Mathematics portal Unitary group Projective special unitary group, PSU(n) Orthogonal...

discoid in Wiktionary, the free dictionary. Discoid may refer to: Disk (mathematics), the region in a plane enclosed by a circle Furosemide, a medication...

In mathematics, genus (pl.: genera) has a few different, but closely related, meanings. Intuitively, the genus is the number of "holes" of a surface....

basic set of RAID ("redundant array of independent disks" or "redundant array of inexpensive disks") configurations that employ the techniques of striping...

In mathematics, Bernstein's theorem is an inequality relating the maximum modulus of a complex polynomial function on the unit disk with the maximum modulus...

mathematics, Bloch's theorem describes the behaviour of holomorphic functions defined on the unit disk. It gives a lower bound on the size of a disk in...

mathematics What is the largest area of a shape that can be maneuvered through a unit-width L-shaped corridor? More unsolved problems in mathematics In...

circular sector, also known as circle sector or disk sector or simply a sector (symbol: ⌔), is the portion of a disk (a closed region bounded by a circle) enclosed...

the unit disk U to itself, or from the upper half-plane H to itself, will not increase the Poincaré distance between points. The unit disk U with the...