不存在性

• Existence of the limit cycles for li 233 ; nard equation
  方程极限环的不存在性
• Nonexistence of global solutions for nonlinear wave systems
  非线性波动方程组整体解的不存在性
• Large time behavior of solutions to degenerate parabolic equations with absorption
  方程整体解的不存在性
• Nonexistences of weak solutions for p - sub - laplacian inequalities on the heisenberg group
  不等方程弱解的不存在性
• Existence and nonexistence of solutions for a singular p - laplacian involving critical exponent
  解的存在性和不存在性
• Nonexistence of global positive solutions for quasi - linear parabolic inequalities
  拟线性抛物型不等方程整体解的不存在性
• Existence and nonexistence of solution for a class nonlinear hyperbolic equation
  一类非线性双曲方程整体弱解的存在性与不存在性
• During the illustration , we use some theorems about the non - existence and the uniqueness of limit cycles
  在证明的过程中结合了极限环不存在性和唯一性。
• Nonexistence and existence criteria for eventually positive solutions of a class of neutral differential equations
  一类中立型微分方程最终正解的存在性和不存在性
• Global existence and nonexistence for a nonlinear parabolic equation with a nonlinear boundary condition
  一类带非线性边界条件的非线性抛物方程的解的整体存在性与不存在性