High Quality Content by WIKIPEDIA articles! In algebraic geometry and string theory, the phenomenon of wall-crossing describes the discontinuous change of a certain quantity, such as an integer geometric invariant, an index or a space of BPS state, across a codimension one wall in a space of stability conditions, a so-called wall of marginal stability. Algebraic geometry is a branch of mathematics which combines techniques of abstract algebra, especially commutative algebra, with the language...
High Quality Content by WIKIPEDIA articles! In algebraic geometry and string theory, the phenomenon of wall-crossing describes the discontinuous change of a certain quantity, such as an integer geometric invariant, an index or a space of BPS state, across a codimension one wall in a space of stability conditions, a so-called wall of marginal stability. Algebraic geometry is a branch of mathematics which combines techniques of abstract algebra, especially commutative algebra, with the language and the problems of geometry. It occupies a central place in modern mathematics and has multiple conceptual connections with such diverse fields as complex analysis, topology and number theory. Initially a study of polynomial equations in many variables, the subject of algebraic geometry starts where equation solving leaves off, and it becomes at least as important to understand the totality of solutions of a system of equations, as to find some solution; this leads into some of the deepest waters in the whole of mathematics, both conceptually and in terms of technique.
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В набор входят книги: Книга Иосиф Бродский в Риме. Первый том: путеводитель. Книга Иосиф Бродский в Риме. Второй том: поэзия, проза, графика. Книга Иосиф Бродский в Риме. Третий том: труды и дни. 1 Том Приехав в Рим впервые через несколько месяцев вынужденной эмиграции, Иосиф Бродский затем возвращался в Италию почти каждый год — как правило, совмещая рождественскую поездку в Рим и в Венецию. В...
Издательство:
Perlov Design Center
Дата выхода: январь 2020
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