Since Lévi-Strauss's era (and due, in large part, to the systems of equivalence he drew up that allow all cultures to be viewed through the same grid), the ethnographic viewfinder has shifted its gaze from the "primitive" world to the developed one, and to the very societies of which anthropologists themselves form part.
Consider the measure space (X, ℬ, μ), where μ is the Lebesgue measure, and denote ℳ = ℳ ( X ) the system of all equivalence classes of Lebesgue measurable real valued functions on X.
Our contribution is related to the formal specification of the system of functional equivalences that can facilitate the maintenance activities with means to determine whether a tool can be substituted for another by observing their key parameters in the identified characteristics.
The PPVs of the different lesion grades in this system are different and generally higher than the corresponding figures reported using the BIRAD system, underscoring the lack of equivalence of the two systems.
Sometimes, it's true, I grow bored, deeply bored, with our system of finely measured equivalences.
The transformation used in a previous approach to convert the second order hyperbolic equations into a first order system results in a loss of equivalence.
The order-one periodic solution (Gamma') of system (1) is stable if int_{0}^{T} biggl(frac{partial P}{partial x}+ frac{partial Q}{partial y} biggr),dt< 0. Based on the Bendixson-Dulac theorem (see, e.g., [43]), we can find that system (1) is the topological equivalence system of the following system (12).
Next, two explicit robust reduced reaction models based on ignition data (18-step) and on flame propagation data (15-step) are systematically developed and extensively validated for ignition delay time, flame propagation, and extinction predictions of C2H4/air, CH4/air, and H2/air systems over a wide range of equivalence ratios, initial temperatures, pressures, and strain rates.
If a light ray is bent in an accelerated system, then, according to the principle of equivalence, light should also be bent by gravity, contradicting the everyday expectation that light will travel in a straight line (unless it passes from one medium to another).
We first establish the equivalence between the system of general nonlinear regularized nonconvex variational inequalities and fixed point problems and, by the equivalent formulation, we discuss the existence and uniqueness of solution of the proposed system.
