2017年3期
上海師范大學學報·自然科學版
- Improvement algorithms for discrete-time control systems based on the extension and localization principles
- Periodic solutions ofa neutralimpulsive differential equation
- On algebraic convergence of non-elementary discrete subgroups of SL(2,Qp)
- Lie symmetry analysis and conservation laws for the time fractionalfourth-order evolution equation
- The controllability ofnonlinear fractionaldamped dynamicalsystems with controldelay
- Approximate controllability of semilinear fractional evolution equations of order α (1, 2] with finite delay
- Two-intervaleven order differentialoperators in directsum spaces with inner productmultiples
- Comments on new iterative methods for solving linear systems
- Rational quadratic trigonometric Bézier curve based on new basis with exponential functions
- Analysis ofa stage-structured mosquito population model
- Some new observations for a stage-structured predator-prey model
- A geometric feature ofthe Newton law ofgravitation
- The existence of n-order algebraic curve solutions ofplanar quadratic polynomialsystems
- Linearizability conditions for 1 ∶-5 Lotka-Volterra two-dimensional complex quartic systems