Complexity and Simplicity of Optimization Problems Yurii Nesterov, CORE/INMA (UCL) September 4, 2012 (Moscow) Developments in Computer Sciences Age of Revolutions: Revolution of Personal Computers: 1980 ­ 2000. ... Genealogy Mathematics Engineering Computational Mathematics .. ... We have already enough troubles with problems formed by the simplest functions. ... Assume that in our problem class P : Complexity of the problems is an increasing unbounded function of the data size. ... Google problem. ...

home publications > mercury . ... Astronomy Beat . ... Nearly four centuries ago, Galileo's simple observations of Earth's planetary sibling, Venus, buoyed the proponents of a Copernican universe. ... The Italian astronomer had settled into a new house in Florence and had begun to observe Venus, which in November 1610 would have appeared as an evening star, bright in the western sky after dusk. ... From these two observations, Galileo inferred that Venus must orbit closer to the Sun than does Earth. ...

... 03.32 AM - the first impulse is performed using the Progress M1-5 eight thrusters to construct the pre-descent orbit. ... maximal distance from earth surface - 219 km . minimal distance from earth surface - 188 km . ... 05.00.24 AM - the second impulse is performed using the Progress M1-5 eight thrusters to construct the pre- descent orbit. ... 08.08 AM - the final third breaking impulse is performed using a combination of the Progress M1-5 main engine and eight thrusters to deorbit Mir OC. ...

... Role of Ionizing Radiation in the Natural History of the Earth" . The Solar system, oscillating relative the Galaxy midplane during its revolution around the Galactic center, can occasionally fall inside the gas-dust interstellar clouds, which include remnants of Supernova (SN) explosions. ... The long time stayings of the Earth inside the young SN remnants could induce mass extinctions of the highest, most radiosensitive living organisms and specific global geochemical effects. ...

... Hubble's Constant And The Expanding Universe (II) . ... 14.05.1996 . ... American astronomer Edwin Hubble played a major role in this profound discovery, coining the "Hubble constant". ... Two groups of astronomers trying to measure this fundamental constant using the Hubble Space Telescope (HST) are continuing to report conflicting results. ... The value of Hubble's constant was recently the subject of a popular public debate titled "The Scale of the Universe 1996: The Value of Hubble's Constant" ....

. US - RUSSIA COOPERATION . IN SPACE . по русски . - Cooperation . - Future of Space . - Summary . - List of participants . General Atmosphere of US - Russian Relations . The Future of Uses of Space . A) Security Issues . The Revolution of Military Affairs (RMA): the use of space for conventional military operations . The post ABM era . B) Industry in a changed environment . Potential for a Future International Framework for Space .

... Space flight . ... Space camp . ... And now it's a high time for everyone not only to take use of the satellite communication, but also to fly into the real space without being a professional cosmonaut. ... My flight into space is not a walk, it is fulfillment of my life-long dream", - said Dennis Tito prior to take-off. ... ATLAS aerospace company is privileged to offer you a real flight into space - the most unbelievable and challenging adventure. ... Services / Space flight: General description ....

Team at the University of Amsterdam . Prof. L.B.F.M. Waters - Astronomical Institute "Anton Pannekoek", University of Amsterdam, NL and Institute for Astronomy, Catholic University of Leuven, Leuven, BE . ... F.J. Molster - Astronomical Institute "Anton Pannekoek", University of Amsterdam, NL . ... Astrophys., ... The Monte Carlo method to treat the polarized radiative transfer in dust shells was applied to young stars by Molster ( "Modelling of circumstellar extinction and polarization." ...

... Four Seasons" song from the film "The wandering songstress" . ... Wayfoong House, completed in 1928. Sizhou zhong lu 220. The Holy Trinity Anglican Church (1866) and Cathedral school (1928) are located on JiuJian lu 219. ... Old church at LaoBeiMen . Old Shanghai Fire Station built in 1911, HuaiHai Zhong lu 193-3 . The building near old fire station on Baochang Road Huaihai Zhong Lu lukou. ... 1897 Huaihai Zhong lu. ... Building reconstructed near the Shanghai Film Museum . ...

Marconi Applied Technologies IMAGING PROVISIONAL CCD65 576(H) X 288(V) PIXEL IMAGE AREA 525 or 625 LINE FORMAT (INTERLACED) INVERTED MODE OPERATION (MPP) 20 X 30 µm PIXELS NOVEL PREAMPLIFIER FOR EXTREMELY LOW NOISE AT HIGH PIXEL RATES 100% ACTIVE AREA The next revolution in imaging is here TM Marconi Applied Technologies IMAGING The CCD65 uses a completely ... Number of Output Amplifiers 1 The device has a 100% fill factor for maximum sensitivity. ...

Apollo 15 . ... AS15-99-13446 (31 July 1971) --- This ultra violet picture of Earth rising over the lunar surface was taken from the Command Module Endeavor during the 24th revolution of the moon. Astronaut Alfred M. Worden Jr., Apollo 15 command module pilot, remained with the Command and Service Module in lunar orbit while astronauts David R. Scott, commander, and James B. Irwin, lunar module pilot, descended in the Lunar Module to explore the Hadley-Apennine area of the moon. ...

CATALOG OF CONSUMER GOODS . KEY TECHNOLOGIES FOR CONSUMER GOODS PRODUCTION . ... COMMUTATOR . Commutator оH53е.2000-20 . ... Number of bars: 22. Number of revolutions, up to 35000 rev./min. ... Outer diameter: 25,4 mm. Bore diameter: 9 mm. ... DIVERSIFICATION OF PRODUCTION . ... Official WEB-site of S.P.Korolev RSC Energia . ...

... Астрофорум - астрономический портал ? ... Астрономическое оборудование и аксессуары (Модераторы: zlyden , Denk36 ) ? Dobsonian Revolution . ... Рейтинг: +84/-10 . Ответ #60 : 18.09.2003 [00:59:33] ? ... Последнее редактирование: 18.09.2003 [00:59:54] от Anton ? Записан . ... Последнее редактирование: 18.09.2003 [12:08:59] от Kolosov I. ? ... Рейтинг: +580/-50 . ... Последнее редактирование: 18.09.2003 [23:34:44] от Pluto ? ...

La Tour Eiffel . La tour Eiffel construite en 1889 l'occasion de l'exposition Universelle organisee pour commemorer le centenaire de la Revolution de 1789 est aujourd'hui le monumant le plus connu de Paris. ... L'endroit d'ou l'on apprecie le mieux la Tour Eiffel disait un humariste de l'epoque c'est sa troisieme plate - forme ... on ne la voit pas". Aux yeux de Maupassant, la Tour Eiffel etait tres laid: " J'ai quitte Paris et m me la France parce que la Tour Eiffel m'ennuyait trop". ...

... State of the art Astronomy circa 1540 . ... Thursday, Oct 8, 2009 at 8:00 PM . ... Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Thursday, Oct 8, 2009 at 8:00 PM in Phillips Auditorium, Harvard-Smithsonian Center for Astrophysics ( 60 Garden St, Cambridge, MA ). ... Oct . ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... The versatile and efficient INVERTOSCOPE? combines the highest optical performance with unsurpassed mechanical quality, and is backed by LOMO's unique lifetime warranty, the most comprehensive in the industry. ... A 15X focusing eyepiece with two interchangeable reticles (a 10mm/100div scale and a 10mm x 10mm/400sq grid) for convenient measuring and counting. ... A set of stage inserts and extension plates to accommodate a variety of sample vessels such as Petri dishes, flasks, microtest plates, etc...

... 607L..33Bird+ J/ApJ/607/L33 First IBIS Catalog: 20-100keV (Bird+, 2004) ================================================================================ The first IBIS/ISGRI Soft Gamma-Ray Galactic Plane Survey Catalog. ... The outstanding IBIS capability to locate soft {gamma}-ray emitters has allowed us to identify most of the detected sources with already known Galactic X-ray binary systems, while 28 of the objects are of unknown nature. ... Count-rate in 40-100keV band 57- 60 F4.2 ct/s e_F40-100...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualitГїs . des reportages . ... les plus belles images de l'Univers dГїcryptГїes pour vous . ... des pages consacrГїes Г la publication de vos photos Mais c'est aussi une vraie communautГї avec laquelle partager votre passion et nourrir votre curiositГї. Accueil Г? la une Voir l'univers, la rГїvolution en images . ... Figure de proue des tГїlescopes les plus performants au monde, Hubble a eu bien du mal Г voir le jour. ...

... The very demanding goal of 50 milliarcseconds root-mean-square (mas RMS) for the astrometric precision of the Sloan Digital Sky Survey implies that focus and collimation motions of the secondary must be very smooth. The Apache Point Observatory 3.5-m telescope secondary is a hot-gas-fusion borosilicate lightweight (25% of solid) mirror. ... Differential rotation provides tilt motions. ... Also, we made measurements with the indicators sensing the motion of the whiffletrees near actuators 1 and 2. ...

... Publications . ... Spin-orbit interaction and anomalous spin relaxation in carbon nanotube quantum dots . ... We study spin relaxation and decoherence caused by electron-lattice and spin-orbit interaction and predict striking effects induced by magnetic fields B . ... We discuss the difference in the magnetic-field dependence of the spin relaxation rate due to Rashba or Dresselhaus spin-orbit coupling for systems with positive (i.e., GaAs quantum dots) or negative (i.e., InAs quantum dots) $g$...