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Titlebook: Real Algebraic Geometry; Vladimir I. Arnold,Ilia Itenberg,Viatcheslav Kharl Textbook 2013 Springer-Verlag Berlin Heidelberg 2013 algebraic

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樓主: nourish
11#
發(fā)表于 2025-3-23 10:33:33 | 只看該作者
Complex Algebraic Curves,mplex plane ?. (with coordinates . and .) of dimension two, since the real dimension of a 2-dimensional complex plane is equal to 4, and equating to zero the complex number . (.,.) means equating to zero both its real part and its imaginary part; that is, we have two equations in the four real varia
12#
發(fā)表于 2025-3-23 16:10:00 | 只看該作者
Textbook 2013t one of the first international mathematical congresses (in Paris in 1900), Hilbert stated a special case of this question in the form of his 16.th. problem (from his list of 23 problems left over from the nineteenth century as a legacy for the twentieth century)..In spite of the simplicity and imp
13#
發(fā)表于 2025-3-23 19:23:36 | 只看該作者
2038-5714 ry)..In spite of the simplicity and importance of this problem (including its numerous applications), it remains unsolved to this day (although, as you will now see, many remarkable results have been discovered)..978-3-642-36242-2978-3-642-36243-9Series ISSN 2038-5714 Series E-ISSN 2532-3318
14#
發(fā)表于 2025-3-24 00:21:18 | 只看該作者
Vladimir I. Arnoldto crumble. The book offers a comprehensive account of India’s environmental history during both colonial and post-colonial times, contributing to the current?environmental policy debates in Asia...978-981-13-4049-9978-981-10-8052-4
15#
發(fā)表于 2025-3-24 06:15:17 | 只看該作者
reflect the intensification of agriculture post-1945, and the construction of Slapton sewage treatment works in 1953. A major peak in authigenic nitrogen, 6 cm below the present sediment surface, is correlated with the severe 1976 drought in the UK. The ecosystem of the Ley appears to have been tri
16#
發(fā)表于 2025-3-24 08:10:20 | 只看該作者
17#
發(fā)表于 2025-3-24 13:49:07 | 只看該作者
Vladimir I. Arnoldy white settlement in Southern Rhodesia in the 1890s, growing fears of a real/imagined water scarcity crisis and the potential harm it could unleash on the white settler society produced a powerful conviction that every effort should be made to ‘retard the journey of the raindrop to the sea’. These
18#
發(fā)表于 2025-3-24 15:07:28 | 只看該作者
Vladimir I. Arnold including white landowners engaged in farming across micro-climates, an agricultural practice that has been traditionally defined as Indigenous. Agriculturalists also engaged in more typical Spanish agriculture, including the temporary grazing of herds coming from long distances and lower altitudes
19#
發(fā)表于 2025-3-24 19:40:37 | 只看該作者
Vladimir I. Arnoldntists and tourism boosters to this emerging resort and some of them were passionate about mountain expeditions..The research started with supposedly simple questions: where was the mountaineering activity set and why there? What was the influence of clear-cut forest exploitation and landscape degra
20#
發(fā)表于 2025-3-24 23:56:05 | 只看該作者
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