نتایج جستجو برای: flat

تعداد نتایج: 58505  

Journal: :iranian journal of science and technology (sciences) 2008
n. sadegh-zadeh

the main objective of this paper is to find the necessary and sufficient condition of a given finslermetric to be einstein in order to classify the einstein finsler metrics on a compact manifold. the consideredeinstein finsler metric in the study describes all different kinds of einstein metrics which are pointwiseprojective to the given one. this study has resulted in the following theorem tha...

Journal: :bulletin of the iranian mathematical society 0
m. soleimani-damaneh {school of mathematics‎, ‎statistics and computer science‎, ‎college of science‎, ‎university of‎ ‎tehran‎, ‎enghelab avenue‎, ‎tehran‎, ‎iran. m. movahedi department of mathematics‎, ‎faculty of sciences‎, ‎alzahra university‎, ‎tehran‎, ‎iran. d. behmardi department of mathematics‎, ‎faculty of sciences‎, ‎alzahra university‎, ‎tehran‎, ‎iran.

in this paper, we deal with the subdi erential concept onhadamard spaces. flat hadamard spaces are characterized, and nec-essary and sucient conditions are presented to prove that the subdif-ferential set in hadamard spaces is nonempty. proximal subdi erentialin hadamard spaces is addressed and some basic properties are high-lighted. finally, a density theorem for subdi erential set is establi...

Journal: :Proceedings of the American Mathematical Society 1984

Journal: :Applied Mathematics and Computation 2015

Optimal linear controllers and high computational non-linear controllers are normally applied to control the nonlinear systems. Flatness control method is a control technique for linear systems as well as nonlinear systems by static and dynamic feedback namely as endogenous dynamic feedback. This method takes into account the non-linear behavior of the process while preventing complicated compu...

Journal: :Experimental aging research 1994
I Thompson

Woldenberg Village, an aging-in-place residential facility, is the result of 2 years of research and development. The design solution integrates physical, social, psychological, medical, and operational requirements to provide an opportunity for a gracious, dignified life-style as an individual ages. Each component of the village is designed to provide, in an unobtrusive way, differing amounts ...

Journal: :Work 2012
Sadi Seabra Bruno Barros

The relevant research is questioning the essence of the existence of an adequate internal circulation to human dimensions. The research was based on the method of anthropometric assessment of internal circulation de Barros (2009), which was applied in three different sizes of apartments in the city of Caruaru-PE. These apartments were evaluated through the floor plans and furniture layouts, sug...

Journal: :تحقیقات آب و خاک ایران 0
حسینعلی علیخانی دانشیار، دانشگاه تهران

in this research 220 rhizobial bacteria were isolated from two lentil dryland farming flat plains of moghan and koohin. they were then tested in vivo as well as in vitro to make assurance of 184 purified strains of rhizobium leguminosarum biovar vicial (lentil). btb +yma culture media with different levels of salinity through nacl (10, 20,30,40,50ds/m) application were used in salinity toleranc...

Introduction: The relationship between biomechanical parameters and different types of posture problems in association with running is unknown. Therefore, this study aimed to investigate the excursion changes at the hip, knee, and ankle joints during running in the patients with flat foot. Methods: The participants comprised 12 healthy men and 12 others suffering from flat feet disorder. They ...

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