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Browsing by Author "Oikonomou, Th."

Browsing by Author "Oikonomou, Th."

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  • A note on the definition of deformed exponential and logarithm functions 
    Oikonomou, Th.; Baris Bagci, G. (2009)
    The recent generalizations of the Boltzmann–Gibbs statistics mathematically rely on the deformed logarithmic and exponential functions defined through some deformation parameters. In the present work, we investigate whether ...
  • Comment on “Third law of thermodynamics as a key test of generalized entropies” 
    Baris Bagci, G.; Oikonomou, Th. (2015)
    Bento et al. [Phys. Rev. E 91, 022105 (2015)] state that the Tsallis entropy violates the third law of thermodynamics for q 0 and 0 < q < 1. We show that their results are valid only for q 1, since there is no distribution ...
  • Power law exponents characterizing human DNA 
    Provata, A.; Oikonomou, Th. (2007)
    The size distributions of all known coding and noncoding DNA sequences are studied in all human chromosomes. In a unified approach, both introns and intergenic regions are treated as noncoding regions. The distributions ...
  • Stochastic metastability by spontaneous localisation 
    Oikonomou, Th.; Nergis, A.; Lazarides, N.; Tsironis, G.P. (Chaos, Solitons & Fractals, 2014-12-01)
    Abstract Nonequilibrium, quasi-stationary states of a one-dimensional “hard” ϕ4 deterministic lattice, initially thermalised to a particular temperature, are investigated when brought into contact with a stochastic thermal ...
  • Tsallis power laws and finite baths with negative heat capacity 
    Baris Bagci, G.; Oikonomou, Th. (2013)
    It is often stated that heat bathswith finite degrees of freedom i.e., finite baths, are sources of Tsallis distributions for classical Hamiltonian systems. By using well-known fundamental statistical mechanics expressions, ...