نتایج جستجو برای: production possibility set
تعداد نتایج: 1377285 فیلتر نتایج به سال:
Designs of new forms of matter composed of nucleons (neutrons, protons), electrons, and other nuclear particles are detailed. This matter is measured in the femtometer (10 -15 m) scale (―femtotechnology‖), which is millions of times smaller than material on the nanometer (10 -9 m) scale (―nanotechnology‖). These new femto-needles, femto-tubes have extraordinary properties such as tensile streng...
Designs of new forms of matter composed of nucleons (neutrons, protons), electrons, and other nuclear particles are detailed. This matter is measured in the femtometer (10 -15 m) scale (―femtotechnology‖), which is millions of times smaller than material on the nanometer (10 -9 m) scale (―nanotechnology‖). This new Femtotubes has extraordinary properties such as tensile strength, stiffness, har...
To tackle the problem with inexact, uncertainty and vague knowl- edge, constructive method is utilized to formulate lower and upper approx- imation sets. Rough set model over dual-universes in fuzzy approximation space is constructed. In this paper, we introduce the concept of rough set over dual-universes in fuzzy approximation space by means of cut set. Then, we discuss properties of rough se...
Ample fields play an important role in possibility theory. These fields of subsets of a universe, which are additionally closed under arbitrary unions, act as the natural domains for possibility measures. A set provided with an ample field is then called an ample space. In this paper we generalise Wang’s notions of product ample field and product ample space. We make a topological study of ampl...
I argue that opposite arrows of time, while being logically possible, cannot realistically be assumed to exist during one and the same epoch of this universe.
This paper describes a new kind of language models based on the Possibility Theory. The purpose of these new models is to better use the data available on the Web for language modeling. These models aim to integrate information relative to impossible word sequences. We address the two main problems of using this kind of model: how to estimate the measures for word sequences and how to integrate...
In this paper we present several fuzzy logics trying to capture different notions of necessity (in the sense of Possibility theory) for Godel logic formulas. Based on different characterizations of necessity measures on fuzzy sets, a group of logics with Kripke style semantics are built over a restricted language, namely a two level language composed of nonmodal and modal formulas, the latter m...
§10.1. Number Fields and Field Extensions One of the classic non-constructability problems is that of trisecting an angle. Ruler and compass constructions exist for certain angles, such as 60, and constructions exist that approximately trisect any angle, but there are none that exactly trisect any angle. This is not an open question, waiting for some brilliant mathematician to solve it. It is ...
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