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[[File:Wearetryingtounderstandthedifference (2).jpg|thumb]] [[File:Quranic-arabic-corpus.png|thumb]] [[File:Conventions.jpg|thumb]] [[File:Semantic dependencies.png|thumb]] '''Complex Analysis''' and '''Dependency Grammar''' are two distinct fields of study, each belonging to different domains of knowledge. Complex Analysis is a branch of [[mathematics]] that deals with complex numbers and their functions, while Dependency Grammar is a concept in [[linguistics]], focusing on the structure of sentences. Given their distinct nature, this article will treat them separately, providing an overview of each and highlighting their significance and applications.

==Complex Analysis==
'''Complex Analysis''' is a major area in [[mathematical analysis]] that studies functions of [[complex numbers]]. It is applicable in various branches of mathematics, including [[number theory]], [[applied mathematics]], and in physics, particularly in [[quantum mechanics]].

===Overview===
Complex Analysis involves the study of complex functions, which are functions that have complex numbers as their domain and range. These functions are characterized by their ability to be differentiated and integrated, leading to the development of theories such as [[Cauchy's integral theorem]] and [[Residue theorem]]. These theorems are fundamental in evaluating complex integrals, especially those that are difficult to compute through real analysis.

===Key Concepts===
* [[Complex Numbers]]: Numbers of the form \(a + bi\), where \(a\) and \(b\) are real numbers, and \(i\) is the square root of -1.
* [[Analytic Functions]]: Functions that are locally given by convergent power series.
* [[Cauchy's Integral Theorem]]: A central statement in complex analysis that provides conditions under which path integrals in the complex plane do not depend on the path.
* [[Residue Theorem]]: A powerful tool for evaluating complex integrals, particularly useful in calculating real integrals and solving differential equations.

[[Category:Mathematics]]
[[Category:Complex Analysis]]

==Dependency Grammar==
'''Dependency Grammar''' (DG) is a framework in [[syntax]], a sub-discipline of [[linguistics]], that focuses on the syntactic structure of sentences. Unlike phrase structure grammars that rely on the constituency of phrases, dependency grammar builds on the dependency between words in a sentence.

===Overview===
In Dependency Grammar, the structure of a sentence is described in terms of a set of binary relations, or dependencies, between "head" words and their dependents. This approach emphasizes the direct relationships that exist among words in a sentence, without necessarily grouping them into phrases.

===Key Concepts===
* [[Head]]: The central word in a dependency relation, determining the syntactic type of the construction.
* [[Dependent]]: A word that is directly related to and modifies or complements the head.
* [[Valency]]: The number of dependents a head can have, often related to the meaning of the head.
* [[Tree Structure]]: A common way to represent dependencies in a sentence, showing the hierarchy and relationships between words.

Dependency Grammar has been influential in the development of [[computational linguistics]] and [[natural language processing]] (NLP), providing a framework for parsing and understanding natural language syntax.

[[Category:Linguistics]]
[[Category:Syntax]]
[[Category:Dependency Grammar]]

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Dependency grammar - Revision history

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