Results 251 to 260 of about 3,802,470 (275)
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Pathological projective planes: Associate affine planes
Journal of Geometry, 1974In [7] the author showed the existence of projective plane pathological with respect to the collineation groups of its sub and quotient planes. Similar pathologies are obtainable with respect to collineation groups of associated affine planes. (i.e.
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Canadian Journal of Mathematics, 1952
Let Π be an affine plane which admits a collineation τ such that the cyclic group generated by τ leaves one point (say X) fixed, and is transitive on the set of all other points of Π. Such “cyclic affine planes” have been previously studied, especially in India, and the principal result relevant to the present discussion is the following theorem of ...
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Let Π be an affine plane which admits a collineation τ such that the cyclic group generated by τ leaves one point (say X) fixed, and is transitive on the set of all other points of Π. Such “cyclic affine planes” have been previously studied, especially in India, and the principal result relevant to the present discussion is the following theorem of ...
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ACM SIGART Bulletin, 1977
A system called PLANES (for Programmed LANguage-Based Enquiry System) is under development at the University of Illinois Coordinated Science Laboratory [1,2]. The primary objective of PLANES is to allow a non-programmer to obtain information from a large data base with minimal prior training or experience.
David Waltz, Brad Goodman
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A system called PLANES (for Programmed LANguage-Based Enquiry System) is under development at the University of Illinois Coordinated Science Laboratory [1,2]. The primary objective of PLANES is to allow a non-programmer to obtain information from a large data base with minimal prior training or experience.
David Waltz, Brad Goodman
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Mineralogical Magazine and Journal of the Mineralogical Society, 1910
In a single homogeneous crystal the physical character of parallel lines are everywhere the same, and it may be justifiably assumed that the orientation of the crystal-structure is constant throughout. Compound crystals, however, occur in which the orientation of the crystal-structure is different in different parts although they consist of the same ...
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In a single homogeneous crystal the physical character of parallel lines are everywhere the same, and it may be justifiably assumed that the orientation of the crystal-structure is constant throughout. Compound crystals, however, occur in which the orientation of the crystal-structure is different in different parts although they consist of the same ...
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Finite Minkowski planes and embedded inversive planes
Journal of Geometry, 2001In [J. Geom. 41, 145-156 (1991; Zbl 0735.51003)] \textit{P. Quattrocchi} and the author constructed an inversive plane from a Minkowski plane \({\mathcal M}\) as the geometry of points and blocks fixed by an automorphism \(\varphi\) of \({\mathcal M}\) that exchanges the two families of generators and fixes at least four points not on a block.
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1979
The plane problems to be discussed in this chapter occur as exact or approximate solutions of certain three-dimensional problems in the theory of elasticity. For isotropic materials these solutions may be expressed in terms of biharmonic functions of two variables. The use of functions of the corresponding complex variable is clearly indicated, because
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The plane problems to be discussed in this chapter occur as exact or approximate solutions of certain three-dimensional problems in the theory of elasticity. For isotropic materials these solutions may be expressed in terms of biharmonic functions of two variables. The use of functions of the corresponding complex variable is clearly indicated, because
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1992
A problem is two-dimensional if the field quantities such as stress and displacement depend on only two coordinates (x,y) and the boundary conditions are imposed on a line f(x,y) = 0 in the x?/-plane.
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A problem is two-dimensional if the field quantities such as stress and displacement depend on only two coordinates (x,y) and the boundary conditions are imposed on a line f(x,y) = 0 in the x?/-plane.
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1992
Abstract The basic constitutive relationships of Chapter 2, the energy-based displacement method of Chapter 3, and some of the interpolation functions of Chapter 5 are used to develop several finite elements for the analysis of plane stress and plane strain.
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Abstract The basic constitutive relationships of Chapter 2, the energy-based displacement method of Chapter 3, and some of the interpolation functions of Chapter 5 are used to develop several finite elements for the analysis of plane stress and plane strain.
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