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Search Results: 1 - 10 of 227 matches for " Mahir Budak "
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A molecular phylogeny of the Cephinae (Hymenoptera, Cephidae) based on mtDNA COI gene: a test of traditional classification
Mahir Budak,E. Mahir Korkmaz,Hasan Basibuyuk
ZooKeys , 2011, DOI: 10.3897/zookeys.130.1466
Abstract: Cephinae is traditionally divided into three tribes and about 24 genera based on morphology and host utilization. There has been no study testing the monophyly of taxa under a strict phylogenetic criterion. A molecular phylogeny of Cephinae based on a total of 68 sequences of mtDNA COI gene, representing seven genera of Cephinae, is reconstructed to test the traditional limits and relationships of taxa. Monophyly of the traditional tribes is not supported. Monophyly of the genera are largely supported except for Pachycephus. A few host shift events are suggested based on phylogenetic relationships among taxa. These results indicate that a more robust phylogeny is required for a more plausible conclusion. We also report two species of Cephus for the first time from Turkey.
Mübadele Meselesi ve Lozan'da zümü (The Question of Population Exchange Between Turkey and Greece in the Lausanne Treaty)
?mer Budak
Karadeniz Ara?t?rmalar? , 2010,
Abstract: The System of Millet in the Ottoman Empire, which ensured peaceful cohabitation of various ethnic and religious groups within the empire for many centuries, dissolved in the 19th century with the impact of nationalist movements. Thus, one of the questions that rised with the collapse of the Ottoman Empire, and that was inherited by the Turkish Republic was the minorities. This essay deals with approaches of various sides to this question during the Lausanne peace negotiations, and the following exchange of populations between Turkey and Greece.
The importance of folic acid in woman and child health
Nurten BUDAK
Erciyes Medical Journal , 2002,
Abstract: Research indicates that neural tube defects – common birth defects - are related to folic acid deficiency and it is accepted that inadequate folic acid intake of the fetus during embryogenesis is the most important cause. A daily intake of 400 mcg of folic acid by women may prevent the disease. In this article, relationship between folic acid and neural tube defects was summarized and three main approaches for the prevention of folic acid deficiency in women at childbearing age are discussed. These are supplementation and fortification of diet with folic acid in order to increase folic acid intake. Most appropriate approaches to overcome this problem in our country, Turkey, are also discussed.
On the Travelling Waves for the Generalized Nonlinear Schr?dinger Equation
Mahir Hasanov
Abstract and Applied Analysis , 2011, DOI: 10.1155/2011/181369
Abstract: This paper is devoted to the analysis of the travelling waves for a class of generalized nonlinear Schrödinger equations in a cylindric domain. Searching for travelling waves reduces the problem to the multiparameter eigenvalue problems for a class of perturbed p-Laplacians. We study dispersion relations between the eigenparameters, quantitative analysis of eigenfunctions and discuss some variational principles for eigenvalues of perturbed p-Laplacians. In this paper we analyze the Dirichlet, Neumann, No-flux, Robin and Steklov boundary value problems. Particularly, a “duality principle” between the Robin and the Steklov problems is presented.
Networking, production, identity: Cultural manager experiences
Mahir Namur
Revista CIDOB d'Afers Internacionals , 2011,
Abstract: By means of a biographical exploration in cultural management, this article examines the experience and development of the European Culture Association. Throughout the article, the author argues that we need to connect “action” and “production” to “identity”, and to build the latter through the former in order to create a sense of belonging towards Europe. What these experiences show is that, instead of underpinning the construction of collective cultural identities in the past (that is, through shared memories, rituals and pre-existent modes of belonging), collective cultural identities are produced in the process of working together, of carrying out projects and collective activities, networking, and participating. It is only through investing in identity, by crafting it slowly with others, that a sense of belonging is generated.
“The Nights’ Singer of Tales: Performing Tradition in the Story of the King of China's Hunchback.”
Zaid Mahir.
Nebula , 2007,
A constraint variational problem arising in stellar dynamics
Mahir Hadzic
Mathematics , 2006,
Abstract: We use the compactness result of A. Burchard and Y. Guo (cf. \cite{BuGu}) to analyze the reduced 'energy' functional arising naturally in the stability analysis of steady states of the Vlasov-Poisson system (cf. \cite{SaSo} and \cite{Ha}). We consider the associated variational problem and present a new proof that puts it in the general framework for tackling the variational problems of this type, given by Y. Guo and G. Rein (cf. \cite{Re1} and \cite{Re2}).
A new class of eigenvalue problems for perturbed p-Laplacians
Mahir Hasanov
Mathematics , 2010,
Abstract: This paper is devoted to a dispersion analysis of a class of perturbed p-Laplacians. Besides the p-Laplacian-like eigenvalue problems we also deal with new and non-standard eigenvalue problems, which can not be solved by the methods used in nonlinear eigenvalue problems for p-Laplacians and similar operators. Original techniques are suggested for solving these new problems (see Section 3). In addition, dispersion relations between the eigen-parameters, quantitative analysis of eigenvectors and variational principles for eigenvalues of perturbed p-Laplacians are also studied in this paper. The problems, we study in this paper arise from the real world problems.
A dispersion analysis of perturbed p-Laplacians
Mahir Hasanov
Mathematics , 2010,
Abstract: Sorry, There are some mistakes in proofs. I want to reconsider full paper again
Orthogonality conditions and asymptotic stability in the Stefan problem with surface tension
Mahir Hadzic
Mathematics , 2011, DOI: 10.1007/s00205-011-0463-6
Abstract: We prove nonlinear asymptotic stability of steady spheres in the two-phase Stefan problem with surface tension. Our method relies on the introduction of appropriate orthogonality conditions in conjunction with a high-order energy method.
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