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Record Nr. |
UNISA990000195020203316 |
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Autore |
ZIEGLER, Günter M |
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Titolo |
Lectures on polytopes / Günter M. Ziegler |
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Pubbl/distr/stampa |
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Berlin [etc.], : Springer-Verlag, copyr. 1995 |
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ISBN |
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Descrizione fisica |
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IX, 370 p. : ill. ; 23 cm |
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Collana |
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Graduate texts in mathematics ; 152 |
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Disciplina |
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Soggetti |
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Geometria algebrica |
Politopi |
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Collocazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910346838403321 |
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Autore |
Fan Guo-Feng |
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Titolo |
Short-Term Load Forecasting by Artificial Intelligent Technologies / Guo-Feng Fan, Ming-Wei Li, Wei-Chiang Hong |
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Pubbl/distr/stampa |
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Basel, Switzerland : , : MDPI, , 2019 |
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ISBN |
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Descrizione fisica |
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1 electronic resource (444 p.) |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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In last few decades, short-term load forecasting (STLF) has been one of the most important research issues for achieving higher efficiency and reliability in power system operation, to facilitate the minimization of its operation cost by providing accurate input to day-ahead scheduling, contingency analysis, load flow analysis, planning, and maintenance of power systems. There are lots of forecasting models proposed for STLF, including traditional statistical models (such as ARIMA, SARIMA, ARMAX, multi-variate regression, Kalman filter, exponential smoothing, and so on) and artificial-intelligence-based models (such as artificial neural networks (ANNs), knowledge-based expert systems, fuzzy theory and fuzzy inference systems, evolutionary computation models, support vector regression, and so on). Recently, due to the great development of evolutionary algorithms (EA) and novel computing concepts (e.g., quantum computing concepts, chaotic mapping functions, and cloud mapping process, and so on), many advanced hybrids with those artificial-intelligence-based models are also proposed to achieve satisfactory forecasting accuracy levels. In addition, combining some superior mechanisms with an existing model could empower that model to solve problems it could not deal with before; for example, the seasonal mechanism from the ARIMA model is a good component to be combined with any forecasting models to help |
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them to deal with seasonal problems. |
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3. |
Record Nr. |
UNINA9910346695203321 |
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Autore |
Bianchi Massimo |
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Titolo |
Fourteenth Marcel Grossmann Meeting, The |
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Pubbl/distr/stampa |
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World Scientific Publishing Co, 2017 |
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Singapore : , : World Scientific Publishing Company, , 2017 |
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©2018 |
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ISBN |
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Descrizione fisica |
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1 online resource (4781 pages) |
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Altri autori (Persone) |
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JantzenRobert T |
RuffiniRemo |
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Disciplina |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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"The four volumes of the proceedings of MG14 give a broad view of all aspects of gravitational physics and astrophysics, from mathematical issues to recent observations and experiments. The scientific program of the meeting included 35 morning plenary talks over 6 days, 6 evening popular talks and 100 parallel sessions on 84 topics over 4 afternoons. Volume A contains plenary and review talks ranging from the mathematical foundations of classical and quantum gravitational theories including recent developments in string theory, to precision tests of general relativity including progress towards the detection of gravitational waves, and from supernova cosmology to relativistic astrophysics, including topics such as gamma ray bursts, black hole physics both in our galaxy and in active galactic nuclei in other galaxies, and neutron star, pulsar and white dwarf astrophysics. The remaining volumes include parallel sessions which touch on dark matter, neutrinos, X-ray sources, astrophysical black holes, neutron stars, white dwarfs, binary systems, radiative transfer, accretion disks, quasars, gamma ray bursts, supernovas, alternative gravitational |
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theories, perturbations of collapsed objects, analog models, black hole thermodynamics, numerical relativity, gravitational lensing, large scale structure, observational cosmology, early universe models and cosmic microwave background anisotropies, inhomogeneous cosmology, inflation, global structure, singularities, chaos, Einstein-Maxwell systems, wormholes, exact solutions of Einstein's equations, gravitational wave detectors and data analysis, precision gravitational measurements, loop quantum gravity, quantum cosmology, self-gravitating systems, gamma ray astronomy, cosmic rays and the history of general relativity"-- |
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