نتایج جستجو برای: second order
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We study sharp second order inequalities of Caffarelli-Kohn-Nirenberg type in the euclidian space R N , where denotes dimension. This analysis is equivalent to uncertainty principles for special classes vector fields. In particular, we show that when switching from scalar fields u : n ? C form = ? U ( being a field) best constant Heisenberg Uncertainty Principle (HUP) increases 2 4 + ) and opti...
abstract previous studies on willingness to communicate (wtc) have shown the influence of many individual or situational factors on students’ tendency to engage in classroom communication, in which wtc has been viewed either at the trait-level or situational level. however, due to the complexity of the notion of willingness to communicate, the present study suggests that these two strands are ...
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