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- Ali Ghobadzadeh, Saeed Gazor, Mohammad Reza Taban, AliAkbar Tadaion, Majid Gazor
- IEEE Transactions on Signal Processing
- 2012

In this paper, we study some relationships between the detection and estimation theories for a binary composite hypothesis test <i>H</i><sub>0</sub> against <i>H</i><sub>1</sub> and a related estimation problem. We start with a one-dimensional (1D) space for the unknown parameter space and one-sided hypothesis problems and then extend out results into more… (More)

- Majid Gazor, Fahimeh Mokhtari, Jan A. Sanders
- 2012

In this paper we are concerned with the simplest normal form computation of the systems ẋ = 2xf(x, y + z), ẏ = z + yf(x, y + z), ż = −y + zf(x, y + z), (0.1) where f is a formal function with real coefficients and without any constant term. These are the classical normal forms of a larger family of systems with Hopf-Zero singularity. Indeed, these are… (More)

- Majid Gazor, Pei Yu
- 2011

Article history: Received 19 November 2010 Revised 10 September 2011 Available online 19 October 2011 MSC: 34C20 34A34 16W5 68U99

- Majid Gazor, Pei Yu
- I. J. Bifurcation and Chaos
- 2008

In this paper, we introduce a suitable algebraic structure for efficient computation of the parametric normal form of Hopf singularity based on a notion of formal decompositions. Our parametric state and time spaces are respectively graded parametric Lie algebra and graded ring. As a consequence, the parametric state space is also a graded module. Parameter… (More)

- Majid Gazor, Pei Yu
- I. J. Bifurcation and Chaos
- 2010

We introduce a formal decomposition method for efficiently computing the parametric normal form of nonlinear dynamical systems with multiple parameters. Recently introduced notions of formal basis style and costyle are applied through formal decomposition method to obtain the simplest parametric normal form for degenerate nonlinear parametric center. The… (More)

- Majid Gazor, Mahsa Kazemi
- ACM Comm. Computer Algebra
- 2016

Let <i>x</i> = (<i>x</i><sub>1</sub>,...,<i>x</i><sub><i>n</i></sub>) ∈ R <sup><i>n</i></sup> and λ ∈ R. A smooth map <i>f</i>(<i>x</i>,λ) is called <i>Z</i><sub>2</sub>-equivariant (<i>Z</i><sub>2</sub>-invariant) if <i>f</i>(−<i>x</i>, λ) = −<i>f</i>(<i>x</i>,λ) (<i>f</i>(−<i>x</i>, λ) =… (More)

- MAJID GAZOR, PEI YU, +4 authors Pei Yu
- 2012

In this paper we introduce a modified version of Aleksandrov Theorem on non-discrete Hausdorff locally compact groups. This also provides us a method to construct Cantor type sets in any positive left Haar measure subset.

- Majid Gazor, Nasrin Sadri
- SIAM J. Applied Dynamical Systems
- 2016

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