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math.AP2014★ 2 cited
Cauchy problem for NLKG in modulation spaces with noninteger powers
Huang Qiang, Fan Dashan, Chen Jiecheng
In this paper, we consider the Cauchy problem for the nonlinear Klein-Gordon equation whose nonlinearity is in the modulation space, where is not an integer. Our met…
math.AP2014
Critical exponent for evolution equation in Modulation space
Huang Qiang, Fan Dashan, Chen Jiecheng
In this paper, we propose a method to find the critical exponent for certain evolution equations in modulation spaces. We define an index , and use it to determine the crit…