Resorting to recent results on subperiodic trigonometric quadrature,we provide three product Gaussian quadrature formulas exact on algebraic polynomials of degree n on circular lunes.The first works on any lune,and ha...Resorting to recent results on subperiodic trigonometric quadrature,we provide three product Gaussian quadrature formulas exact on algebraic polynomials of degree n on circular lunes.The first works on any lune,and has n^(2)+O(n)cardinality.The other two have restrictions on the lune angular intervals,but their cardinality is n^(2)/2+O(n).展开更多
In this paper. it is discussed that the absolute for zero solution of the discrete type Lurie control systemin which the nonlinear function f(σ)satisfying conditions followsIt gives the necessary and sufficient condi...In this paper. it is discussed that the absolute for zero solution of the discrete type Lurie control systemin which the nonlinear function f(σ)satisfying conditions followsIt gives the necessary and sufficient conditions for the absolute stability for system (1) under conditions (2).We also obtain the sufficient for absolute stability of the simplified system of (1) under conditions (3) .展开更多
法国艺术歌曲是欧洲古典艺术歌曲中不可或缺的一部分,而福雷又是法国艺术歌曲发展历史中具有代表性的作曲家,其代表作《月光(Clari de Lune)》是采用象征派诗人魏尔兰的诗歌谱曲而成。本文以《Clari de Lune》为研究对象,主要通过了解...法国艺术歌曲是欧洲古典艺术歌曲中不可或缺的一部分,而福雷又是法国艺术歌曲发展历史中具有代表性的作曲家,其代表作《月光(Clari de Lune)》是采用象征派诗人魏尔兰的诗歌谱曲而成。本文以《Clari de Lune》为研究对象,主要通过了解创作背景,谱面分析以及演唱处理等方面,对演唱作品时容易出现的发声问题进行讨论,为喜爱法国艺术歌曲的声乐学习者提供一定的参考。展开更多
基金The research is supported by the“ex-60%”fundsby the biennial project CPDA124755 of the University of Padova,and by the GNCS-INdAM.
文摘Resorting to recent results on subperiodic trigonometric quadrature,we provide three product Gaussian quadrature formulas exact on algebraic polynomials of degree n on circular lunes.The first works on any lune,and has n^(2)+O(n)cardinality.The other two have restrictions on the lune angular intervals,but their cardinality is n^(2)/2+O(n).
文摘In this paper. it is discussed that the absolute for zero solution of the discrete type Lurie control systemin which the nonlinear function f(σ)satisfying conditions followsIt gives the necessary and sufficient conditions for the absolute stability for system (1) under conditions (2).We also obtain the sufficient for absolute stability of the simplified system of (1) under conditions (3) .
文摘法国艺术歌曲是欧洲古典艺术歌曲中不可或缺的一部分,而福雷又是法国艺术歌曲发展历史中具有代表性的作曲家,其代表作《月光(Clari de Lune)》是采用象征派诗人魏尔兰的诗歌谱曲而成。本文以《Clari de Lune》为研究对象,主要通过了解创作背景,谱面分析以及演唱处理等方面,对演唱作品时容易出现的发声问题进行讨论,为喜爱法国艺术歌曲的声乐学习者提供一定的参考。
