Predecessor Companies Of The London Underground
Predecessor may refer to: * A holy person announcing the approaching appearance of a prophet, see precursor * Predecessor (graph theory), a term in graph theory * The predecessor problem, a problem in theoretical computer science Theoretical computer science (TCS) is a subset of general computer science and mathematics that focuses on mathematical aspects of computer science such as the theory of computation, lambda calculus, and type theory. It is difficult to circumsc ...

Precursor (religion)
In religion, a precursor, also known as forerunner, predecessor, harbinger or herald, is a holy person who announced the approaching appearance of a central figure of the religion or who identified a central figure of the religion during the latter’s childhood. List of precursors *Asita in BuddhismKohn, Sherab Chodzin (2009). A Life of the Buddha'. Shambhala Publications. . pp. 5-6. *John the Baptist in Christianity *Bahira or Sergius in IslamAbel, A.Baḥīrā. '' Encyclopaedia of Islam''. Brill. Brill Online, 2007 *Shaykh Ahmad, forerunner of Bábism (in the Bábí-Bahá'í view) * Sayyid Kazim Rashti, forerunner of Bábism (in the Bábí-Bahá'í view) *Báb, forerunner and herald of the Bahá'í Faith (in the Bahá'í view) See also * List of founders of religious traditions These are historical figures credited with founding religions or religious philosophies, or who codified older known religious traditions. The list includes those who have founded a specific major d ...
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Predecessor (graph Theory)
This is a glossary of graph theory. Graph theory is the study of graphs, systems of nodes or vertices connected in pairs by lines or edges. Symbols A B C D E F G H I K L M N O ...
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Graph Theory
In mathematics, graph theory is the study of ''graphs'', which are mathematical structures used to model pairwise relations between objects. A graph in this context is made up of '' vertices'' (also called ''nodes'' or ''points'') which are connected by '' edges'' (also called ''links'' or ''lines''). A distinction is made between undirected graphs, where edges link two vertices symmetrically, and directed graphs, where edges link two vertices asymmetrically. Graphs are one of the principal objects of study in discrete mathematics. Definitions Definitions in graph theory vary. The following are some of the more basic ways of defining graphs and related mathematical structures. Graph In one restricted but very common sense of the term, a graph is an ordered pair G=(V,E) comprising: * V, a set of vertices (also called nodes or points); * E \subseteq \, a set of edges (also called links or lines), which are unordered pairs of vertices (that is, an edge is associated with t ...
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Predecessor Problem
In computer science, the predecessor problem involves maintaining a set of items to, given an element, efficiently query which element precedes or succeeds that element in an order. Data structures used to solve the problem include balanced binary search trees, van Emde Boas trees, and fusion trees. In the static predecessor problem, the set of elements does not change, but in the dynamic predecessor problem, insertions into and deletions from the set are allowed. The predecessor problem is a simple case of the nearest neighbor problem, and data structures that solve it have applications in problems like integer sorting. Definition The problem consists of maintaining a set , which contains a subset of integers. Each of these integers can be stored with a word size of , implying that U \le 2^w. Data structures that solve the problem support these operations: * predecessor(x), which returns the largest element in less than or equal to * successor(x), which returns the smalles ...
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