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- Nasir Taghizadeh, M. Mirzazadeh
- J. Computational Applied Mathematics
- 2011

In this paper, the first integral method is used to construct exact solutions of the Hamiltonian amplitude equation and coupled Higgs field equation. The first integral method is an efficient method for obtaining exact solutions of some nonlinear partial differential equations. Thismethod can be applied to nonintegrable equations as well as to integrable… (More)

- Nasir Taghizadeh, M. Mirzazadeh, A. Samiei Paghaleh
- 2012

osting by E Abstract The modified simple equation method is an efficient method for obtaining exact solutions of nonlinear evolution equations. In this paper, the modified simple equation method is applied to construct exact solutions of the modified equal width (MEW) equation and the Fisher equation and the nonlinear Telegraph equation and the Cahn–Allen… (More)

- Nasir Taghizadeh, Ahmad Neirameh
- IJCSM
- 2012

In this present work, the fractional derivatives in the sense of modified Riemann-Liouville derivative and the direct algebraic method are employed for constructing the exact complex solutions of non-linear time-fractional partial differential equations. The power of this manageable method is presented by applying it to several examples. Reference to this… (More)

In this present work we applied new applications of direct algebraic method to foam drainage equation and to Nonlinear Wave equation with the fifth order nonlinear term, the balance numbers of which are not positive integers. Then new types of complex solutions are obtained to the foam drainage equation and Nonlinear Wave equation with the fifth order… (More)

- Nasir Taghizadeh, Ahmad Neirameh
- Computers & Mathematics with Applications
- 2011

- Nasir Taghizadeh, M. Mirzazadeh, Filiz Tascan
- Appl. Math. Lett.
- 2012

The modified tanh method is one of most direct and effective algebraic method for obtaining exact solutions of nonlinear partial differential equations. The method can be applied to nonintegrable equations as well as to integrable ones. In this paper,we look for exact soliton solutions of the improved Eckhaus equation and the (2+1)-dimensional improved… (More)

- Nasir Taghizadeh, Ahmad Neirameh, Kavoos BranchIran, Ahmad Neirameh
- 2012

In this paper we will discuss on the initial value problems of type where t is the time and F is a linear first order operator acting in the . The article in hand constructs, conversely, all linear operators F for which the initial value problem with an arbitrary holomorphic initial function is always solvable.

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