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In this paper, a class of higher order non linear neutral delay difference equation is considered. Some sufficient conditions for the oscillation and asymptotic behavior are derived.

- A. M. Selvam
- 2001

Recent studies by mathematicians and physicists have identified a close association between the distribution of prime numbers and quantum mechanical laws governing the subatomic dynamics of quantum systems such as the electron or the photon. It is now recognised that Cantorian fractal space-time fluctuations characterise dynamical systems of all space-time… (More)

- A. M. Selvam
- 2002

Continuous periodogram power spectral analyses of fractal fluctuations of frequency distributions of bases A, C, G, T in Drosophila DNA show that the power spectra follow the universal inverse power-law form of the statistical normal distribution. Inverse power-law form for power spectra of space-time fluctuations is generic to dynamical systems in nature… (More)

- A. M. Selvam
- 2008

Dynamical systems in nature exhibit selfsimilar fractal fluctuations and the corresponding power spectra follow inverse power law form signifying long-range space-time correlations identified as self-organized criticality. The physics of self-organized criticality is not yet identified. The Gaussian probability distribution used widely for analysis and… (More)

- A. M. Selvam
- 2001

The spacing intervals of adjacent Riemann zeta zeros (non-trivial) exhibit fractal (irregular) fluctuations generic to dynamical systems in nature such as fluid flows, heart beat patterns, stock market price index, etc., and are associated with unpredictability or chaos. The power spectra of such fractal space-time fluctuations exhibit inverse power-law… (More)

- A. M. Selvam, Mary Selvam
- 2002

Fluid flows such as gases or liquids exhibit space-time fluctuations on all scales extending down to molecular scales. Such broadband continuum fluctuations characterise all dynamical systems in nature and are identified as selfsimilar fractals in the newly emerging multidisciplinary science of nonlinear dynamics and chaos. A cell dynamical system model has… (More)

- M.Reni Sagaya Raj, A.George Maria Selvam
- 2013

— The discrete-time predator-prey model in 2-dimensions is investigated. The fixed points are obtained and their stability is analyzed. The phase portraits are obtained for different sets of parameter values and initial conditions. Also bifurcation diagrams are presented for selected range of growth parameter. It is observed that prey population exhibits… (More)

- A. M. Selvam
- 2004

Recent studies of DNA sequence of letters A, C, G and T exhibit the inverse power law form frequency spectrum. Inverse power-law form of the power spectra of fractal space-time fluctuations is generic to the dynamical systems in nature and is identified as self-organized criticality. In this study it is shown that the power spectra of the frequency… (More)