1,898 research outputs found
Intercultural Romantic Couples\u27 Interactive Construction of Relational Culture
This study explores intercultural romantic couples and their interactive construction of relational culture. Qualitative methods of inquiry appeared most useful for identifying the processes involved in the social construction of intimates\u27 shared reality and, so, both Conversation Analysis and Joint Interviews were utilized. Five romantic couples whose partners were socilaized within different cultural communities participated in the study. Findings of this study suggest that intercultural romantic couples import cultural resources from their individual cultures into their joint relational culture. These cultural resources included foods, traditions, language, and values. Findings of ths study also suggest that two types of communicative episodes, intimate play and the negotiation of misunderstandings, were particularly important in the couples\u27 construction of a shared relational culture
Research on the structural performance of large rocket booster subjected to longitudinal excitations
Dynamic structural behavior of large booster rocket subjected to longitudinal excitations - analysis of theoretical mode
A multistage linear array assignment problem
The implementation of certain algorithms on parallel processing computing architectures can involve partitioning contiguous elements into a fixed number of groups, each of which is to be handled by a single processor. It is desired to find an assignment of elements to processors that minimizes the sum of the maximum workloads experienced at each stage. This problem can be viewed as a multi-objective network optimization problem. Polynomially-bounded algorithms are developed for the case of two stages, whereas the associated decision problem (for an arbitrary number of stages) is shown to be NP-complete. Heuristic procedures are therefore proposed and analyzed for the general problem. Computational experience with one of the exact problems, incorporating certain pruning rules, is presented with one of the exact problems. Empirical results also demonstrate that one of the heuristic procedures is especially effective in practice
Darkness as a Positive Reinforcer in Weakly Electric Fish
Darkness was used as a positive reinforcer in 14 Gnathonemus petersii fish in an object discrimination task. One subject showed a significant learning response. This study provides preliminary support for the use of darkness as positive reinforcement in weakly electric fish and presents potential areas of interest for future study
Adapting iterative algorithms for solving large sparse linear systems for efficient use on the CDC CYBER 205
Adapting and designing mathematical software to achieve optimum performance on the CYBER 205 is discussed. Comments and observations are made in light of recent work done on modifying the ITPACK software package and on writing new software for vector supercomputers. The goal was to develop very efficient vector algorithms and software for solving large sparse linear systems using iterative methods
Basic linear algebra subprograms for FORTRAN usage
A package of 38 low level subprograms for many of the basic operations of numerical linear algebra is presented. The package is intended to be used with FORTRAN. The operations in the package are dot products, elementary vector operations, Givens transformations, vector copy and swap, vector norms, vector scaling, and the indices of components of largest magnitude. The subprograms and a test driver are available in portable FORTRAN. Versions of the subprograms are also provided in assembly language for the IBM 360/67, the CDC 6600 and CDC 7600, and the Univac 1108
Visual sensing of spacecraft guidance information. Earth orbit rendezvous maneuvers
Visual sensing and spacecraft guidance for earth orbit rendezvous maneuver
Dynamic stability of a flexible booster subjected to a gimbled, periodically-varying end thrust Technical memorandum no. 104
Dynamic structural behavior of large rocket booster synthesized by two thin-walled cylinders and subjected to periodically varying end thrus
Theorem on the Distribution of Short-Time Particle Displacements with Physical Applications
The distribution of the initial short-time displacements of particles is
considered for a class of classical systems under rather general conditions on
the dynamics and with Gaussian initial velocity distributions, while the
positions could have an arbitrary distribution. This class of systems contains
canonical equilibrium of a Hamiltonian system as a special case. We prove that
for this class of systems the nth order cumulants of the initial short-time
displacements behave as the 2n-th power of time for all n>2, rather than
exhibiting an nth power scaling. This has direct applications to the initial
short-time behavior of the Van Hove self-correlation function, to its
non-equilibrium generalizations the Green's functions for mass transport, and
to the non-Gaussian parameters used in supercooled liquids and glasses.Comment: A less ambiguous mathematical notation for cumulants was adopted and
several passages were reformulated and clarified. 40 pages, 1 figure.
Accepted by J. Stat. Phy
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