8 papers
Lorentzian non-stationary dynamical systems
MohammadReza Molaei, Najmeh Khajoei
In this paper, we introduce a Lorentzian Anosov family (LAfamily) up to a sequence of distributions of null vectors. We prove for each p Mi, where Mi is a Lorentzian manifold for i…
The effect of an information system on the learning of the space structure
MohammadReza Molaei
In this essay, a general case of information systems contains quantum information systems is considered. By presenting an algorithmic method a new kind of information topology is d…
Hyperbolic dynamics of discrete dynamical systems on pseudo-riemannian manifolds
MohammadReza Molaei
We consider a discrete dynamical system on a pseudo-Riemannian manifold and we determine the concept of a hyperbolic set for it. We insert a condition in the definition of a hyperb…
Representations of Spin(4), Spin(2,2) and Spin(3,1)
Ali Delbaznasab, MohammadReza Molaei
In this essay we present an outer product on R^6, and we show that R^6 with this outer product can take three kinds of Lie brackets. We prove that R^6 with these Lie brackets take…
On U-equivalence spaces
Farshad Omidi, MohammadReza Molaei
In this paper induced U-equivalence spaces are introduced and discussed. Also the notion of U-equivalently open subsets of a U-equivalence space and U-equivalently open functions a…
Observational Banach Manifolds
Mohammad Mehrpoya, Mohammadreza Molaei
In this paper, the concept of selective real manifolds is extended. It is proved that the product of two selective Banach manifolds is a selective Banach manifold. The notion of th…
Entropy of continuous maps on quasi-metric spaces
Yamin Sayyari, Mohammadreza Molaei, Saeed M. Moghayer
The category of metric spaces is a subcategory of quasi-metric spaces. In this paper the notion of entropy for the continuous maps of a quasi-metric space is extended via spanning…
On the quotient space of a generalized action of a generalized group
Hasan Maleki, Mohammadreza Molaei
In this paper by using of generalized groups and their generalized actions, we define and study the notion of -spaces. Moreover, we study properties of the quotient space of a $…