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Geometric abstraction is a form of abstract art based on the use of geometric forms sometimes, though not always, placed in non-illusionistic space and combined into non-objective (non-representational) compositions. Throughout 20th-century art historical discourse, critics and artists working within the reductive or pure strains of abstraction have often suggested that geometric abstraction represents the height of a non-objective art practice, which necessarily stresses or calls attention to the root plasticity and two-dimensionality of painting as an artistic medium. Thus, it has been suggested that geometric abstraction might function as a solution to problems concerning the need for modernist painting to reject the illusionistic practices of the past while addressing the inherently two dimensional nature of the picture plane as well as the canvas functioning as its support. Wassily Kandinsky, one of the forerunners of pure non-objective painting, was among the first modern artists to explore this geometric approach in his abstract work. Other examples of pioneer abstractionists such as Kasimir Malevich and Piet Mondrian have also embraced this approach towards abstract painting. Mondrian's painting ''Composition No. 10'', 1939–1942, characterized by primary colors, white ground and black grid lines clearly defined his radical but classical approach to the rectangle. Just as there are both two-dimensional and three-dimensional geometries, the abstract sculpture of the 20th century was of course no less affected than painting by geometricizing tendencies. Georges Vantongerloo〔(【引用サイトリンク】title=The Collection: Georges Vantongerloo )〕 and Max Bill, for example, are perhaps best known for their geometric sculpture, although both of them were also painters; and indeed, the ideals of geometric abstraction find nearly perfect expression in their titling (e.g., Vantongerloo's "Construction in the Sphere") and pronouncements (e.g., Bill's statement that "I am of the opinion that it is possible to develop an art largely on the basis of mathematical thinking.") However, geometric abstraction cannot only be seen as an invention of 20th century avant-garde artists or movements. It is present among many cultures throughout history both as decorative motifs and as art pieces themselves. Islamic art, in its prohibition of depicting religious figures, is a prime example of this geometric pattern-based art, which existed centuries before the movement in Europe and in many ways influenced this Western school. Aligned with and often used in the architecture of Islamic civilations spanning the 7th century-20th century, geometric patterns were used to visually connect spirituality with science and art, both of which were key to Islamic thought of the time. Abstract art has also historically been likened to music in its ability to convey emotional or expressive feelings and ideas without reliance upon or reference to recognizable objective forms already existent in reality. Wassily Kandinsky has discussed this connection between music and painting, as well as how the practice of classical composition had influenced his work, at length in his seminal essay ''Concerning the Spiritual in Art''. Expressionist abstract painting, as practiced by artists such as Jackson Pollock, Franz Kline, Clyfford Still, and Wols, represents the opposite of geometric abstraction. ==Selected artists== Artists who have worked extensively in geometric abstraction include Nadir Afonso, Josef Albers, Richard Anuszkiewicz, Mino Argento,〔The Archives of American Art, Smithsonian, Betty Parsons Gallery Papers, Reel 4087–4089: Exhibition Records, Reel 4108: Artists Files, last names A-B.〕 Hans Arp, Rudolf Bauer, Willi Baumeister, Karl Benjamin, Max Bill, Ilya Bolotowsky, Patrick Henry Bruce, Kenneth Wayne Bushnell, Ilya Chashnik, Joseph Csaky, Nassos Daphnis, Ronald Davis, Robert Delaunay, Sonia Delaunay, Tony DeLap, Jean Dewasne, Burgoyne Diller, Theo van Doesburg, Thomas Downing, Lorser Feitelson, Günter Fruhtrunk, Albert Gleizes, Frederick Hammersley, Mary Henry, Bryce Hudson, Al Held, Auguste Herbin, Hans Hofmann, Budd Hopkins, Wassily Kandinsky, Ellsworth Kelly, Hilma af Klint, Ivan Kliun, František Kupka, Pat Lipsky, El Lissitzky, Michael Loew, Peter Lowe, Kazimir Malevich, Agnes Martin, John McLaughlin, Laszlo Moholy-Nagy, Piet Mondrian, Barnett Newman, Kenneth Noland, Alejandro Otero, Rinaldo Paluzzi, I. Rice Pereira, Francis Picabia, Ad Reinhardt, Jack Reilly, Bridget Riley, Alexander Rodchenko, Morgan Russell, Sean Scully, Victor Servranckx, Leon Polk Smith, Henryk Stażewski, Jeffrey Steele, Frank Stella, Sophie Taeuber-Arp, Leo Valledor, Georges Vantongerloo, Victor Vasarely, Friedrich Vordemberge-Gildewart, Charmion von Wiegand, Zanis Waldheims, Gordon Walters, Neil Williams, Stanton Macdonald-Wright and Larry Zox among others. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Geometric abstraction」の詳細全文を読む スポンサード リンク
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