homological algebra, a t-structure is a way to axiomatize the properties of an abelian subcategory of a derived category. A t-structure on D {\displaystyle...

A structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized. Physical...

The Richat Structure, or Guelb er Richât (Arabic: قلب الريشات, romanized: Qalb ar-Rīšāt, Hassaniyya: [galb er.riːʃaːt] ), often called the Eye of Africa...

coordinates) GPX (primary coordinates) GPX (secondary coordinates) The tallest structure in the world is the Burj Khalifa skyscraper at 828 m (2,717 ft). Listed...

crystallography, crystal structure is a description of ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from intrinsic...

February 2008 TfL announced that they would introduce a new charging structure for vehicles entering the congestion zone, based on potential CO2 emission...

In mathematical physics, the causal structure of a Lorentzian manifold describes the possible causal relationships between points in the manifold. Lorentzian...

In mathematics, an algebraic structure or algebraic system consists of a nonempty set A (called the underlying set, carrier set or domain), a collection...

In the social sciences, social structure is the aggregate of patterned social arrangements in society that are both emergent from and determinant of the...

A tree structure, tree diagram, or tree model is a way of representing the hierarchical nature of a structure in a graphical form. It is named a "tree...

The Kalambo structure is a Lower Palaeolithic wooden structure, of which two pieces have been uncovered along with other wooden tools. Discovered at the...

An organizational structure defines how activities such as task allocation, coordination, and supervision are directed toward the achievement of organizational...

data structure arises in the computer science subfields of algorithms, data structures, and theoretical computer science. It refers to a data structure whose...

mathematics, a triangulated category is a category with the additional structure of a "translation functor" and a class of "exact triangles". Prominent...

Political structure is a commonly used term in political science. In a general sense, it refers to institutions or even groups and their relations to...

Story structure or narrative structure is the recognizable or comprehensible way in which a narrative's different elements are unified, including in a...

It is one of the largest impact structures on Earth, alongside the much older Sudbury and Vredefort impact structures, and the only one whose peak ring...

In atomic physics, hyperfine structure is defined by small shifts in otherwise degenerate electronic energy levels and the resulting splittings in those...

A structure editor, also structured editor or projectional editor, is any document editor that is cognizant of the document's underlying structure. Structure...

where the beams are horizontal and carry vertical loads. However, any structure may contain beams, such as automobile frames, aircraft components, machine...

Market structure, in economics, depicts how firms are differentiated and categorised based on the types of goods they sell (homogeneous/heterogeneous)...

Protein structure is the three-dimensional arrangement of atoms in an amino acid-chain molecule. Proteins are polymers – specifically polypeptides – formed...

Lewis structures – also called Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures (LEDs) – are diagrams...

speed of sound. Machine A machine (or mechanical device) is a mechanical structure that uses power to apply forces and control movement to perform an intended...

In mathematics, a structure on a set (or on some sets) refers to providing or endowing it (or them) with certain additional features (e.g. an operation...

An earth structure is a building or other structure made largely from soil. Since soil is a widely available material, it has been used in construction...

In structural engineering, a tensile structure is a construction of elements carrying only tension and no compression or bending. The term tensile should...

In condensed matter physics, the dynamic structure factor (or dynamical structure factor) is a mathematical function that contains information about inter-particle...

In phrase structure grammars, such as generalised phrase structure grammar, head-driven phrase structure grammar and lexical functional grammar, a feature...

claims the original AT&T Corporation's history (dating to 1877) as its own, but retains SBC's pre-2005 corporate structure and stock price history....