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Abstract [NEW]

Interestingly, the word passed from Latin into French with competing spellings as both abstract (closer to the Latin) and abstrait (which reflected the French form of abstrahere, abstraire), the spelling retained in modern French.


The abstract modifier indicates that the thing being modified has a missing or incomplete implementation. The abstract modifier can be used with classes, methods, properties, indexers, and events. Use the abstract modifier in a class declaration to indicate that a class is intended only to be a base class of other classes, not instantiated on its own. Members marked as abstract must be implemented by non-abstract classes that derive from the abstract class.

It is not possible to modify an abstract class with the sealed modifier because the two modifiers have opposite meanings. The sealed modifier prevents a class from being inherited and the abstract modifier requires a class to be inherited.

Because an abstract method declaration provides no actual implementation, there is no method body; the method declaration simply ends with a semicolon and there are no curly braces ( ) following the signature. For example:

What follows are some sample abstracts in published papers or articles, all written by faculty at UW-Madison who come from a variety of disciplines. We have annotated these samples to help you see the work that these authors are doing within their abstracts.

The social science sample (Sample 1) below uses the present tense to describe general facts and interpretations that have been and are currently true, including the prevailing explanation for the social phenomenon under study. That abstract also uses the present tense to describe the methods, the findings, the arguments, and the implications of the findings from their new research study. The authors use the past tense to describe previous research.

Note: This journal requires authors to organize their abstract into four specific sections, with strict word limits. Because the headings for this structured abstract are self-explanatory, we have chosen not to add annotations to this sample abstract.

Abstraction indicates a departure from reality in depiction of imagery in art. This departure from accurate representation can be slight, partial, or complete. Abstraction exists along a continuum. Even art that aims for verisimilitude of the highest degree can be said to be abstract, at least theoretically, since perfect representation is impossible. Artwork which takes liberties, e.g. altering color or form in ways that are conspicuous, can be said to be partially abstract. Total abstraction bears no trace of any reference to anything recognizable. In geometric abstraction, for instance, one is unlikely to find references to naturalistic entities. Figurative art and total abstraction are almost mutually exclusive. But figurative and representational (or realistic) art often contain partial abstraction.

Both geometric abstraction and lyrical abstraction are often totally abstract. Among the very numerous art movements that embody partial abstraction would be for instance fauvism in which color is conspicuously and deliberately altered vis-a-vis reality, and cubism, which alters the forms of the real-life entities depicted.[3][4]

Another instance of abstraction in Chinese painting is seen in Zhu Derun's Cosmic Circle. On the left side of this painting is a pine tree in rocky soil, its branches laced with vines that extend in a disorderly manner to the right side of the painting in which a perfect circle (probably made with help of a compass[9]) floats in the void. The painting is a reflection of the Daoist metaphysics in which chaos and reality are complementary stages of the regular course of nature.

Additionally in the late 19th century in Eastern Europe mysticism and early modernist religious philosophy as expressed by theosophist Mme. Blavatsky had a profound impact on pioneer geometric artists like Hilma af Klint and Wassily Kandinsky. The mystical teaching of Georges Gurdjieff and P.D. Ouspensky also had an important influence on the early formations of the geometric abstract styles of Piet Mondrian and his colleagues in the early 20th century.[15] The spiritualism also inspired the abstract art of Kasimir Malevich and František Kupka.[16]

At the beginning of the 20th century Henri Matisse and several other young artists including the pre-cubist Georges Braque, André Derain, Raoul Dufy and Jean Metzinger revolutionized the Paris art world with "wild", multi-colored, expressive landscapes and figure paintings that the critics called Fauvism. The raw language of color as developed by the Fauves directly influenced another pioneer of abstraction, Wassily Kandinsky.

Cubism, based on Cézanne's idea that all depiction of nature can be reduced to cube, sphere and cone became, along with Fauvism, the art movement that directly opened the door to abstraction in the early 20th century.

During the 1912 Salon de la Section d'Or, where František Kupka exhibited his abstract painting Amorpha, Fugue en deux couleurs (Fugue in Two Colors) (1912), the poet Guillaume Apollinaire named the work of several artists including Robert Delaunay, Orphism.[17] He defined it as, "the art of painting new structures out of elements that have not been borrowed from the visual sphere, but had been created entirely by the is a pure art."[18]

Since the turn of the century, cultural connections between artists of the major European cities had become extremely active as they strove to create an art form equal to the high aspirations of modernism. Ideas were able to cross-fertilize by means of artist's books, exhibitions and manifestos so that many sources were open to experimentation and discussion, and formed a basis for a diversity of modes of abstraction. The following extract from The World Backwards gives some impression of the inter-connectedness of culture at the time: "David Burliuk's knowledge of modern art movements must have been extremely up-to-date, for the second Knave of Diamonds exhibition, held in January 1912 (in Moscow) included not only paintings sent from Munich, but some members of the German Die Brücke group, while from Paris came work by Robert Delaunay, Henri Matisse and Fernand Léger, as well as Picasso. During the Spring David Burliuk gave two lectures on cubism and planned a polemical publication, which the Knave of Diamonds was to finance. He went abroad in May and came back determined to rival the almanac Der Blaue Reiter which had emerged from the printers while he was in Germany".[19]

With his expressive use of color and his free and imaginative drawing Henri Matisse comes very close to pure abstraction in French Window at Collioure (1914), View of Notre-Dame (1914), and The Yellow Curtain from 1915.

And the search continued: The Rayist (Luchizm) drawings of Natalia Goncharova and Mikhail Larionov, used lines like rays of light to make a construction. Kasimir Malevich completed his first entirely abstract work, the Suprematist, Black Square, in 1915. Another of the Suprematist group' Liubov Popova, created the Architectonic Constructions and Spatial Force Constructions between 1916 and 1921. Piet Mondrian was evolving his abstract language, of horizontal and vertical lines with rectangles of color, between 1915 and 1919, Neo-Plasticism was the aesthetic which Mondrian, Theo van Doesburg and other in the group De Stijl intended to reshape the environment of the future.

Many of the abstract artists in Russia became Constructivists believing that art was no longer something remote, but life itself. The artist must become a technician, learning to use the tools and materials of modern production. Art into life! was Vladimir Tatlin's slogan, and that of all the future Constructivists. Varvara Stepanova and Alexandre Exter and others abandoned easel painting and diverted their energies to theatre design and graphic works.On the other side stood Kazimir Malevich, Anton Pevsner and Naum Gabo. They argued that art was essentially a spiritual activity; to create the individual's place in the world, not to organize life in a practical, materialistic sense. During that time, representatives of the Russian avant-garde collaborated with other Eastern European Constructivist artists, including Władysław Strzemiński, Katarzyna Kobro, and Henryk Stażewski.

As visual art becomes more abstract, it develops some characteristics of music[citation needed]: an art form which uses the abstract elements of sound and divisions of time. Wassily Kandinsky, himself an amateur musician,[31][32][33] was inspired by the possibility of marks and associative color resounding in the soul. The idea had been put forward by Charles Baudelaire, that all our senses respond to various stimuli but the senses are connected at a deeper aesthetic level.

Closely related to this, is the idea that art has The spiritual dimension and can transcend 'every-day' experience, reaching a spiritual plane. The Theosophical Society popularized the ancient wisdom of the sacred books of India and China in the early years of the century. It was in this context that Piet Mondrian, Wassily Kandinsky, Hilma af Klint and other artists working towards an 'objectless state' became interested in the occult as a way of creating an 'inner' object.The universal and timeless shapes found in geometry: the circle, square and triangle become the spatial elements in abstract art; they are, like color, fundamental systems underlying visible reality.

During the 1930s Paris became the host to artists from Russia, Germany, the Netherlands and other European countries affected by the rise of totalitarianism. Sophie Tauber and Jean Arp collaborated on paintings and sculpture using organic/geometric forms. The Polish Katarzyna Kobro applied mathematically based ideas to sculpture. The many types of abstraction now in close proximity led to attempts by artists to analyse the various conceptual and aesthetic groupings. An exhibition by forty-six members of the Cercle et Carré group organized by Joaquín Torres-García[35] assisted by Michel Seuphor[36] contained work by the Neo-Plasticists as well as abstractionists as varied as Kandinsky, Anton Pevsner and Kurt Schwitters. Criticized by Theo van Doesburg to be too indefinite a collection he published the journal Art Concret setting out a manifesto defining an abstract art in which the line, color and surface only are the concrete reality.[37] Abstraction-Création founded in 1931 as a more open group, provided a point of reference for abstract artists, as the political situation worsened in 1935, and artists again regrouped, many in London. The first exhibition of British abstract art was held in England in 1935. The following year the more international Abstract and Concrete exhibition was organized by Nicolete Gray including work by Piet Mondrian, Joan Miró, Barbara Hepworth and Ben Nicholson. Hepworth, Nicholson and Gabo moved to the St. Ives group in Cornwall to continue their 'constructivist' work.[38] 041b061a72

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