We discuss the relation between elementary maps and ring isomorphisms, andwe give a characterization of elementary maps on stndard operator algebras on Banachspaces, JSL-algebras and nest algebras. For Jordan-triple elementeary maps, we provetheir additivity on a class of ring and show a relation of them with Jordan isomorphisms. Furthermore. we describe the Jordan elementary maps on standard operator algebrasand nest algebras. We also study the semi-Jordan elementary maps on effect algebrasand the space of self adjoint operators.

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The new method has two key steps: one is to get the automorphism group of HEm, and the another one is to introduce the concept of semi-Reinhardt domain and get its complete orthonornal system.

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Among the democratic countries, the control system has been carried out for long in both ROC and Finland, only shorter than Sweden Coincidently, both countries underwent a series of constitutional reform during 1990 to 2000. Thereafter, ROC transformed from the revised Parliamentarism to the Semi-Presidentialism, while Finland turned from the classical Semi-Presidentialism to the parliamentarism.

無(wú)獨(dú)有偶欧美丝袜精品一区二区，兩國(guó)都在一九九0年至二000年進(jìn)行一連串的憲政改革性生活一级A片，修憲后我國(guó)政府體制從修正式的內(nèi)閣制轉(zhuǎn)變?yōu)榘肟偨y(tǒng)制（Semi-Presidentialism），而芬蘭則從典型的半總統(tǒng)制傾向議會(huì)內(nèi)閣制AV免费九九在线观看。

semi-circle semifinal semi-conductor：半

ultra- 外,極 ultra-violet ultra-left ultra-conservative | semi- 半 semi-circle semifinal semi-conductor | vice- 副 vice-premier vice-chairman vice-president

semi-circle ; semi-final：半

mini-特小的 minibus ; miniskirt | semi-半 semi-circle ; semi-final | vice-副 vice-premier ; vice-president

semi-circle semi-final semi-conductor：半

ultra- 外,極 ultra-violet ultra-left ultra-conservative | semi- 半 semi-circle semi-final semi-conductor | vice- 副 vice-premier vice-chairman vice-president