Kim-Chuan Toh
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Kim-Chuan Toh
Kim-Chuan Toh is a Singaporean mathematician, and Leo Tan Professor in Science at the National University of Singapore (NUS). He is known for his contributions to the theory, practice, and application of convex optimization, especially semidefinite programming and conic programming. Toh received BSc (Hon.) in 1990 and MSc in 1992, from NUS, and PhD in 1996 from Cornell University Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach an .... Selected works * Toh, K. C.; Todd, M. J.; Tütüncü, R. H., "SDPT3—a MATLAB software package for semidefinite programming, version 1.3. Interior point methods". Optim. Methods Softw. 11/12 (1999), no. 1–4, 545–581. * Tütüncü, R. H.; Toh, K. C.; Todd, M. J., "Solving semidefinite-quadratic-linear programs using SDPT3. Computational semidefini ...
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National University Of Singapore
The National University of Singapore (NUS) is a national public research university in Singapore. Founded in 1905 as the Straits Settlements and Federated Malay States Government Medical School, NUS is the oldest autonomous university in the country. It offers degree programmes in a wide range of disciplines at both the undergraduate and postgraduate levels, including in the sciences, medicine and dentistry, design and environment, law, arts and social sciences, engineering, business, computing, and music. NUS is one of the most highly-ranked academic institutions in the world. It has consistently featured in the top 30 of the Quacquarelli Symonds (QS) World University Rankings and the Times Higher Education (THE) World University Rankings, and in the top 100 of the Academic Ranking of World Universities (ARWU). As of 2022-2023, NUS is 11th worldwide according to QS and 19th worldwide according to THE. NUS's main campus is located in the southwestern part of Singapore, adja ...
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Convex Optimization
Convex optimization is a subfield of mathematical optimization that studies the problem of minimizing convex functions over convex sets (or, equivalently, maximizing concave functions over convex sets). Many classes of convex optimization problems admit polynomial-time algorithms, whereas mathematical optimization is in general NP-hard. Convex optimization has applications in a wide range of disciplines, such as automatic control systems, estimation and signal processing, communications and networks, electronic circuit design, data analysis and modeling, finance, statistics ( optimal experimental design), and structural optimization, where the approximation concept has proven to be efficient. With recent advancements in computing and optimization algorithms, convex programming is nearly as straightforward as linear programming. Definition A convex optimization problem is an optimization problem in which the objective function is a convex function and the feasible set is a c ...
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Semidefinite Programming
Semidefinite programming (SDP) is a subfield of convex optimization concerned with the optimization of a linear objective function (a user-specified function that the user wants to minimize or maximize) over the intersection of the cone of positive semidefinite matrices with an affine space, i.e., a spectrahedron. Semidefinite programming is a relatively new field of optimization which is of growing interest for several reasons. Many practical problems in operations research and combinatorial optimization can be modeled or approximated as semidefinite programming problems. In automatic control theory, SDPs are used in the context of linear matrix inequalities. SDPs are in fact a special case of cone programming and can be efficiently solved by interior point methods. All linear programs and (convex) quadratic programs can be expressed as SDPs, and via hierarchies of SDPs the solutions of polynomial optimization problems can be approximated. Semidefinite programming has been use ...
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Conic Optimization
Conic optimization is a subfield of convex optimization that studies problems consisting of minimizing a convex function over the intersection of an affine subspace and a convex cone. The class of conic optimization problems includes some of the most well known classes of convex optimization problems, namely linear and semidefinite programming. Definition Given a real vector space ''X'', a convex, real-valued function :f:C \to \mathbb R defined on a convex cone C \subset X, and an affine subspace \mathcal defined by a set of affine constraints h_i(x) = 0 \ , a conic optimization problem is to find the point x in C \cap \mathcal for which the number f(x) is smallest. Examples of C include the positive orthant \mathbb_+^n = \left\ , positive semidefinite matrices \mathbb^n_, and the second-order cone \left \ . Often f \ is a linear function, in which case the conic optimization problem reduces to a linear program, a semidefinite program, and a second order cone program, ...
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Cornell University
Cornell University is a private statutory land-grant research university based in Ithaca, New York. It is a member of the Ivy League. Founded in 1865 by Ezra Cornell and Andrew Dickson White, Cornell was founded with the intention to teach and make contributions in all fields of knowledge—from the classics to the sciences, and from the theoretical to the applied. These ideals, unconventional for the time, are captured in Cornell's founding principle, a popular 1868 quotation from founder Ezra Cornell: "I would found an institution where any person can find instruction in any study." Cornell is ranked among the top global universities. The university is organized into seven undergraduate colleges and seven graduate divisions at its main Ithaca campus, with each college and division defining its specific admission standards and academic programs in near autonomy. The university also administers three satellite campuses, two in New York City and one in Education City, Qatar ...
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Singaporean Mathematicians
Singaporeans, or the Singaporean people, refers to citizens or people who identify with the sovereign island city-state of Singapore. Singapore is a multi-ethnic, multi-cultural and multi-lingual country. Singaporeans of Chinese, Malay, Indian and Eurasian descent have made up the vast majority of the population since the 19th century. The Singaporean diaspora is also far-reaching worldwide. In 1819, the port of Singapore was established by Sir Stamford Raffles, who opened it to free trade and free immigration on the island's south coast. Many immigrants from the region settled in Singapore. By 1827, the population of the island was composed of people from various ethnic groups. Singapore is a multilingual and multicultural society home to people of groups of many different ethnic, religious and national origins, with the majority of the population made up of Chinese, Malay, Indian and Eurasian descent. The Singaporean identity was fostered as a way for the different ethn ...
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National University Of Singapore Alumni
National may refer to: Common uses * Nation or country ** Nationality – a ''national'' is a person who is subject to a nation, regardless of whether the person has full rights as a citizen Places in the United States * National, Maryland, census-designated place * National, Nevada, ghost town * National, Utah, ghost town * National, West Virginia, unincorporated community Commerce * National (brand), a brand name of electronic goods from Panasonic * National Benzole (or simply known as National), former petrol station chain in the UK, merged with BP * National Car Rental, an American rental car company * National Energy Systems, a former name of Eco Marine Power * National Entertainment Commission, a former name of the Media Rating Council * National Motor Vehicle Company, Indianapolis, Indiana, USA 1900-1924 * National Supermarkets, a defunct American grocery store chain * National String Instrument Corporation, a guitar company formed to manufacture the first resonator g ...
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Academic Staff Of The National University Of Singapore
An academy (Attic Greek: Ἀκαδήμεια; Koine Greek Ἀκαδημία) is an institution of secondary or tertiary higher learning (and generally also research or honorary membership). The name traces back to Plato's school of philosophy, founded approximately 385 BC at Akademia, a sanctuary of Athena, the goddess of wisdom and skill, north of Athens, Greece. Etymology The word comes from the ''Academy'' in ancient Greece, which derives from the Athenian hero, '' Akademos''. Outside the city walls of Athens, the gymnasium was made famous by Plato as a center of learning. The sacred space, dedicated to the goddess of wisdom, Athena, had formerly been an olive grove, hence the expression "the groves of Academe". In these gardens, the philosopher Plato conversed with followers. Plato developed his sessions into a method of teaching philosophy and in 387 BC, established what is known today as the Old Academy. By extension, ''academia'' has come to mean the accumulation, ...
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Living People
Related categories * :Year of birth missing (living people) / :Year of birth unknown * :Date of birth missing (living people) / :Date of birth unknown * :Place of birth missing (living people) / :Place of birth unknown * :Year of death missing / :Year of death unknown * :Date of death missing / :Date of death unknown * :Place of death missing / :Place of death unknown * :Missing middle or first names See also * :Dead people * :Template:L, which generates this category or death years, and birth year and sort keys. : {{DEFAULTSORT:Living people 21st-century people People by status ...
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