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 Subjects -> EDUCATION (Total: 1956 journals)     - ADULT EDUCATION (24 journals)    - COLLEGE AND ALUMNI (9 journals)    - E-LEARNING (24 journals)    - EDUCATION (1654 journals)    - HIGHER EDUCATION (126 journals)    - INTERNATIONAL EDUCATION PROGRAMS (4 journals)    - ONLINE EDUCATION (30 journals)    - SCHOOL ORGANIZATION (13 journals)    - SPECIAL EDUCATION AND REHABILITATION (35 journals)    - TEACHING METHODS AND CURRICULUM (37 journals) EDUCATION (1654 journals)                  1 2 3 4 5 6 7 8 | Last
 Showing 1 - 200 of 857 Journals sorted alphabetically #Tear : Revista de Educação, Ciência e Tecnologia       (Followers: 2) (Pensamiento), (palabra) y obra       (Followers: 2) 21. Yüzyılda Eğitim Ve Toplum Eğitim Bilimleri Ve Sosyal Araştırmalar Dergisi @tic. revista d'innovació educativa Abant İzzet Baysal Üniversitesi Eğitim Fakültesi Dergisi       (Followers: 1) About Campus       (Followers: 6) Academic Medicine       (Followers: 61) Academic Psychiatry       (Followers: 24) Academic Questions       (Followers: 8) Academy of Educational Leadership Journal       (Followers: 60) Academy of Management Learning and Education       (Followers: 52) Accounting & Finance       (Followers: 51) Accounting Education: An International Journal       (Followers: 20) Açıköğretim Uygulamaları ve Araştırmaları Dergisi ACM Transactions on Computing Education (TOCE)       (Followers: 6) Acta Didactica Norge       (Followers: 1) Acta Educationis Generalis Acta Scientiarum. Education Action in Teacher Education       (Followers: 62) Action Learning: Research and Practice       (Followers: 40) Action Research       (Followers: 46) Active Learning in Higher Education       (Followers: 270) Actualidades Pedagógicas Adelphi series       (Followers: 14) Adiyaman University Journal of Educational Sciences       (Followers: 1) Administration & Society       (Followers: 13) Administrative Science Quarterly       (Followers: 174) Adult Education Quarterly       (Followers: 157) Advanced Education       (Followers: 10) Advances in Building Education       (Followers: 3) Advances in Health Sciences Education       (Followers: 28) Advances in High Energy Physics       (Followers: 19) Advances in School Mental Health Promotion       (Followers: 8) AERA Open       (Followers: 8) Africa Education Review       (Followers: 24) African Journal of Chemical Education       (Followers: 3) African Journal of Educational Studies in Mathematics and Sciences       (Followers: 5) African Journal of Health Professions Education       (Followers: 6) African Journal of Research in Mathematics, Science and Technology Education       (Followers: 8) Agora       (Followers: 4) AGORA Magazine Ahi Evran Üniversitesi Kırşehir Eğitim Fakültesi Dergisi Ahmad Dahlan Journal of English Studies       (Followers: 2) AIDS Education and Prevention       (Followers: 7) Ainedidaktiikka Akadémiai Értesítö Aksiologiya : Jurnal Pengabdian Kepada Masyarakat AKSIOMA Journal of Mathematics Education       (Followers: 1) Al-Idarah : Jurnal Kependidikan Islam Al-Jabar : Jurnal Pendidikan Matematika       (Followers: 1) Al-Tadzkiyyah : Jurnal Pendidikan Islam Alan Eğitimi Araştırmaları Dergisi Alexandria : Revista de Educação em Ciência e Tecnologia Alsic : Apprentissage des Langues et Systèmes d'Information et de Communication       (Followers: 16) Alteridad Amasya Universitesi Egitim Fakültesi Dergisi Ambiente & Educação : Revista de Educação Ambiental American Annals of the Deaf       (Followers: 13) American Biology Teacher       (Followers: 14) American Educational Research Journal       (Followers: 164) American Journal of Business Education       (Followers: 12) American Journal of Distance Education       (Followers: 34) American Journal of Education       (Followers: 190) American Journal of Educational Research       (Followers: 62) American Journal of Health Education       (Followers: 31) American Journal of Physics       (Followers: 53) American String Teacher       (Followers: 1) Ana Dili Eğitimi Dergisi / Journal of Mother Tongue Education Anadolu Journal Of Educational Sciences International ANALES de la Universidad Central del Ecuador       (Followers: 3) Annali dell'Universita di Ferrara Annals of Dyslexia       (Followers: 10) Annals of Modern Education       (Followers: 4) Apertura. Revista de innovación educativa‏       (Followers: 2) Applied Environmental Education & Communication       (Followers: 16) Applied Measurement in Education       (Followers: 9) Arabia Art Design & Communication in Higher Education       (Followers: 23) Arts and Humanities in Higher Education       (Followers: 37) Arts Education Policy Review       (Followers: 5) Artseduca : Revista electrónica de educación en las ARTES ASHE Higher Education Reports       (Followers: 15) Asia Pacific Education Review       (Followers: 12) Asia Pacific Journal of Education       (Followers: 22) Asia-Pacific Education Researcher       (Followers: 12) Asia-Pacific Journal of Health, Sport and Physical Education       (Followers: 9) Asia-Pacific Journal of Teacher Education       (Followers: 24) Asian Association of Open Universities Journal       (Followers: 1) Asian Education and Development Studies       (Followers: 5) Asian Journal of English Language Teaching       (Followers: 14) Asian Journal of Legal Education       (Followers: 5) ASp       (Followers: 2) Assessing Writing       (Followers: 11) Assessment & Evaluation in Higher Education       (Followers: 142) Assessment for Effective Intervention       (Followers: 14) Assessment in Education: Principles, Policy & Practice       (Followers: 42) Assessment Update       (Followers: 5) AStA Wirtschafts- und Sozialstatistisches Archiv       (Followers: 5) At-Ta'dib Jurnal Kependidikan Islam At-Taqaddum At-Turats Athenea Digital Aula Abierta       (Followers: 1) Aula de Encuentro Australasian Journal of Educational Technology       (Followers: 19) Australasian Journal of Gifted Education       (Followers: 6) Australasian Journal of Special Education       (Followers: 8) Australasian Marketing Journal (AMJ)       (Followers: 4) Australian Art Education       (Followers: 8) Australian Educational and Developmental Psychologist, The       (Followers: 8) Australian Educational Computing       (Followers: 1) Australian Educational Researcher       (Followers: 25) Australian Journal of Adult Learning       (Followers: 16) Australian Journal of Career Development       (Followers: 3) Australian Journal of Dyslexia and Learning Difficulties       (Followers: 8) Australian Journal of Education       (Followers: 36) Australian Journal of Environmental Education       (Followers: 7) Australian Journal of Indigenous Education, The       (Followers: 10) Australian Journal of Learning Difficulties       (Followers: 5) Australian Journal of Music Education       (Followers: 5) Australian Journal of Public Administration       (Followers: 452) Australian Journal of Teacher Education       (Followers: 22) Australian Mathematics Teacher, The       (Followers: 6) Australian Primary Mathematics Classroom       (Followers: 4) Australian Screen Education Online       (Followers: 2) Australian TAFE Teacher       (Followers: 4) Australian Universities' Review, The       (Followers: 4) Autism       (Followers: 280) Avaliação : Revista da Avaliação da Educação Superior (Campinas) Azalea: Journal of Korean Literature & Culture       (Followers: 4) Bahastra Balkan Region Conference on Engineering and Business Education       (Followers: 1) BELIA : Early Childhood Education Papers       (Followers: 7) BELT - Brazilian English Language Teaching Journal       (Followers: 4) Biblioteca Escolar em Revista Biblioteka i Edukacja       (Followers: 4) Bildung und Erziehung       (Followers: 5) Bioedukasi : Jurnal Pendidikan Biologi FKIP UM Metro Bioma : Jurnal Ilmiah Biologi Biosaintifika : Journal of Biology & Biology Education       (Followers: 7) Biosfer : Jurnal Biologi dan Pendidikan Biologi Biosfer : Jurnal Tadris Biologi BMC Medical Education       (Followers: 42) BMJ Simulation & Technology Enhanced Learning       (Followers: 10) BoEM - Boletim online de Educação Matemática Boletim Cearense de Educação e História da Matemática Boletim de Educação Matemática Boletim Técnico do Senac BOSAPARIS : Pendidikan Kesejahteraan Keluarga British Educational Research Journal       (Followers: 183) British Journal of Educational Studies       (Followers: 149) British Journal of Educational Technology       (Followers: 138) British Journal of Music Education       (Followers: 24) British Journal of Religious Education       (Followers: 9) British Journal of Sociology of Education       (Followers: 50) British Journal of Special Education       (Followers: 48) British Journal of Visual Impairment       (Followers: 12) Brookings Trade Forum       (Followers: 3) Business, Management and Education       (Followers: 17) Caderno Brasileiro de Ensino de Física Caderno Intersabares Cadernos CEDES       (Followers: 1) Cadernos de Educação Cadernos de Pesquisa Cadernos de Pesquisa       (Followers: 2) Cadernos de Pesquisa em Educação       (Followers: 1) Cadmo       (Followers: 1) Cahiers de la recherche sur l'éducation et les savoirs       (Followers: 4) Cakrawala Pendidikan Calidad en la educación       (Followers: 1) Cambridge Journal of Education       (Followers: 96) Campus Legal Advisor       (Followers: 2) Campus Security Report Canadian and International Education       (Followers: 8) Canadian Journal for New Scholars in Education/ Revue canadienne des jeunes chercheures et chercheurs en éducation       (Followers: 7) Canadian Journal for the Scholarship of Teaching and Learning       (Followers: 15) Canadian Journal of Education : Revue canadienne de l'éducation       (Followers: 8) Canadian Journal of Higher Education       (Followers: 24) Canadian Journal of Learning and Technology / La revue canadienne de l’apprentissage et de la technologie       (Followers: 17) Canadian Journal of School Psychology       (Followers: 10) Canadian Journal of Science, Mathematics and Technology Education       (Followers: 19) Career Development and Transition for Exceptional Individuals       (Followers: 7) Catalejos. Revista sobre lectura, formación de lectores y literatura para niños Catharsis : Journal of Arts Education CELE Exchange, Centre for Effective Learning Environments       (Followers: 1) Cendekia : Jurnal Kependidikan dan Kemasyarakatan Change: The Magazine of Higher Learning       (Followers: 16) Changing English: Studies in Culture and Education       (Followers: 4) Charrette Chemical Engineering Education       (Followers: 1) Chemistry Education Research and Practice       (Followers: 5) Chemistry in Education       (Followers: 9) Chi'e : Journal of Japanese Learning and Teaching       (Followers: 3) Child Language Teaching and Therapy       (Followers: 30) Child Psychiatry & Human Development       (Followers: 10) Childhood Education       (Followers: 17) Children's Literature in Education       (Followers: 11) Chinese Education & Society       (Followers: 4) Christian Higher Education       (Followers: 2) Christian Perspectives in Education       (Followers: 7)
 Annali dell'Universita di FerraraJournal Prestige (SJR): 0.429 Number of Followers: 0      Hybrid journal (It can contain Open Access articles) ISSN (Print) 0430-3202 - ISSN (Online) 1827-1510 Published by Springer-Verlag  [2348 journals]
• q - Lupas Kantorovich operators based on Polya distribution
• Authors: P. N. Agrawal; Pooja Gupta
Pages: 1 - 23
Abstract: The purpose of the present paper is to introduce a Kantorovich modification of the q-analogue of the Stancu operators defined by Nowak (J Math Anal Appl 350:50–55, 2009). We study a local and a direct approximation theorem by means of the Ditzian–Totik modulus of smoothness. Further A-statistical convergence properties of these operators are investigated. Next, a bivariate generalization of these operators is introduced and its rate of convergence is discussed with the aid of the partial and complete modulus of continuity and the Peetre‘s K-functional.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0291-1
Issue No: Vol. 64, No. 1 (2018)

• On the existence of the biharmonic Green kernels and the adjoint
biharmonic functions
• Authors: Abderrahim Aslimani; Imad El Ghazi; Mohamed El Kadiri; Sabah Haddad
Pages: 25 - 46
Abstract: We study the existence and the regularity of the biharmonic Green kernel in a Brelot biharmonic space whose associated harmonic spaces have Green kernels. We show by some examples that this kernel does not always exist. We then introduce and study the adjoint of the given biharmonic space. This study was initiated by Smyrnelis, however, it seems that several results were incomplete and we clarify them here.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0289-8
Issue No: Vol. 64, No. 1 (2018)

• Estimates of anisotropic Sobolev spaces with mixed norms for the Stokes
system in a half-space
• Authors: Tongkeun Chang; Kyungkeun Kang
Pages: 47 - 82
Abstract: We are concerned with the non-stationary Stokes system with non-homogeneous external force and non-zero initial data in $${\mathbb {R}}^n_+ \times (0,T)$$ . We obtain new estimates of solutions including pressure in terms of mixed anisotropic Sobolev spaces. As an application, some anisotropic Sobolev estimates are presented for weak solutions of the Navier–Stokes equations in a half-space in dimension three.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0287-x
Issue No: Vol. 64, No. 1 (2018)

• Existence of positive periodic solutions of nonlinear neutral differential
systems with variable delays
• Authors: Hocine Gabsi; Abdelouaheb Ardjouni; Ahcene Djoudi
Pages: 83 - 97
Abstract: In this work we use some mixed techniques of the Mawhin coincidence degree theory and fixed point theorem to prove the existence of positive periodic solutions of delay systems. As a consequence, we offer existence criteria and sufficient conditions for existence of periodic solutions to the systems with feedback control. When these results are applied to some special delay bio-mathematics models, some new results are obtained, and many known results are improved.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0292-0
Issue No: Vol. 64, No. 1 (2018)

• Characterization of some derivations on von Neumann algebras via left
centralizers
• Authors: A. Hosseini
Pages: 99 - 110
Abstract: Let $$\mathfrak {M}$$ be a von Neumann algebra, and let $$\mathfrak {T}:\mathfrak {M} \rightarrow \mathfrak {M}$$ be a bounded linear map satisfying $$\mathfrak {T}(P^{2}) = \mathfrak {T}(P)P + \Psi (P,P)$$ for each projection P of $$\mathfrak {M}$$ , where $$\Psi :\mathfrak {M} \times \mathfrak {M} \rightarrow \mathfrak {M}$$ is a bi-linear map. If $$\Psi$$ is a bounded l-semi Hochschild 2-cocycle, then $$\mathfrak {T}$$ is a left centralizer associated with $$\Psi$$ . By applying this conclusion, we offer a characterization of left $$\sigma$$ -centralizers, generalized derivations and generalized $$\sigma$$ -derivations on von Neumann algebras. Moreover, it is proved that if $$\mathfrak {M}$$ is a commutative von Neumann algebra and $$\sigma :\mathfrak {M} \rightarrow \mathfrak {M}$$ is an endomorphism, then every bi- $$\sigma$$ -derivation $$D:\mathfrak {M} \times \mathfrak {M} \rightarrow \mathfrak {M}$$ is identically zero.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0290-2
Issue No: Vol. 64, No. 1 (2018)

• Multilinear dyadic operators and their commutators
• Authors: Ishwari Kunwar
Pages: 111 - 144
Abstract: We obtain a generalized paraproduct decomposition of the pointwise product of two or more functions that naturally gives rise to multilinear dyadic paraproducts and Haar multipliers. We then study the boundedness properties of these multilinear operators and their commutators with dyadic BMO functions. We also characterize the dyadic BMO functions via the boundedness of (a) certain paraproducts, and (b) the commutators of multilinear Haar multipliers and paraproduct operators.
PubDate: 2018-05-01
DOI: 10.1007/s11565-016-0260-0
Issue No: Vol. 64, No. 1 (2018)

• On the semistability of certain Lazarsfeld–Mukai bundles on abelian
surfaces
• Authors: Poornapushkala Narayanan
Pages: 145 - 164
Abstract: Let $$X=\mathscr {J}(\widetilde{\mathscr {C}})$$ , the Jacobian of a genus 2 curve $$\widetilde{\mathscr {C}}$$ over $${\mathbb {C}}$$ , and let Y be the associated Kummer surface. Consider an ample line bundle $$L=\mathscr {O}(m\widetilde{\mathscr {C}})$$ on X for an even number m, and its descent to Y, say $$L'$$ . We show that any dominating component of $${\mathscr {W}}^1_{d}( L' )$$ corresponds to $$\mu _{L'}$$ -stable Lazarsfeld–Mukai bundles on Y. Further, for a smooth curve $$C\in L$$ and a base-point free $$g^1_d$$ on C, say (A, V), we study the $$\mu _L$$ -semistability of the rank-2 Lazarsfeld–Mukai bundle associated to (C, (A, V)) on X. Under certain assumptions on C and the $$g^1_d$$ , we show that the above Lazarsfeld–Mukai bundles are $$\mu _L$$ -semistable.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0277-z
Issue No: Vol. 64, No. 1 (2018)

• Some results on a special case of a general continued fraction of
Ramanujan
• Authors: Nipen Saikia; Chayanika Boruah
Pages: 165 - 183
Abstract: We derive a new special case C(q) of a general continued fraction recorded by Ramanujan in his Lost Notebook. We give a representation of the continued fraction C(q) as a quotient of Dedekind eta-function and then use it to prove modular identities connecting C(q) with each of the continued fractions $$C(-q)$$ , $$C(q^{2})$$ , $$C(q^{3})$$ , $$C(q^{5})$$ , $$C(q^{7})$$ , $$C(q^{11})$$ , $$C(q^{13})$$ and $$C(q^{17})$$ . We also prove general theorems for the explicit evaluation of the continued fraction C(q) by using Ramanujan’s class invariants.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0283-1
Issue No: Vol. 64, No. 1 (2018)

• Microscopic modeling and analysis of collective decision making: equality
bias leads suboptimal solutions
• Authors: Pierluigi Vellucci; Mattia Zanella
Pages: 185 - 207
Abstract: We discuss a novel microscopic model for collective decision-making interacting multi-agent systems. In particular we are interested in modeling a well known phenomena in the experimental literature called equality bias, where agents tend to behave in the same way as if they were as good, or as bad, as their partner. We analyze the introduced problem and we prove the suboptimality of the collective decision-making in the presence of equality bias. Numerical experiments are addressed in the last section.
PubDate: 2018-05-01
DOI: 10.1007/s11565-017-0280-4
Issue No: Vol. 64, No. 1 (2018)

• A note on regularity of the pressure in the Navier–Stokes system
• Authors: Sanja Friganović
Abstract: In this note we improve the standard regularity of the dynamic part of the pressure in the Navier–Stokes system. Using the theory of elliptic equations with $$L^1$$ right-hand side we prove that, in addition to be in $$L^2$$ , the dynamic pressure belongs to $$W^{1,\alpha }_{loc}$$ with $$1<\alpha <\frac{n}{n-1}$$ , in case of Dirichlet boundary condition. For pressure boundary condition the dynamic pressure is proved to be in $$W^{1,\alpha }$$ . As a consequence, for the force $$\mathbf{f} \in L^q (\Omega )^n$$ and $$q>n /2$$ the pressure turns out to be continuous.
PubDate: 2018-05-11
DOI: 10.1007/s11565-018-0302-x

• Stable hypersurfaces via the first eigenvalue of the anisotropic Laplacian
operator
• Authors: Jonatan Floriano da Silva; Henrique Fernandes de Lima; Marco Antonio Lázaro Velásquez
Abstract: In this paper we provide a characterization for stable hypersurfaces with constant anisotropic mean curvature immersed in the Euclidean space $$\mathbb {R}^{n+1}$$ through the analysis of the first eigenvalue of the anisotropic Laplacian operator.
PubDate: 2018-04-11
DOI: 10.1007/s11565-018-0301-y

• Effective adjunction theory
• Authors: Marco Andreatta; Claudio Fontanari
Abstract: Here we investigate the property of effectivity for adjoint divisors. Among others, we prove the following results: A projective variety X with at most canonical singularities is uniruled if and only if for each very ample Cartier divisor H on X we have $$H^0(X, m_0K_X+H)=0$$ for some $$m_0=m_0(H)>0$$ . Let X be a projective 4-fold, L an ample divisor and t an integer with $$t \ge 3$$ . If $$K_X+tL$$ is pseudo-effective, then $$H^0(X, K_X+tL) \ne 0$$ .
PubDate: 2018-02-09
DOI: 10.1007/s11565-018-0300-z

• On $$\mathcal {SSH}$$ SSH -subgroups of finite groups
• Authors: T. M. Al-Gafri; S. K. Nauman
Abstract: Let G be a finite group. A subgroup H of G is s-permutable in G if H permutes with every Sylow subgroup of G. A subgroup H of G is called an $$\mathcal {SSH}$$ -subgroup in G if G has an s-permutable subgroup K such that $$H^{sG} = HK$$ and $$H^g \cap N_K (H) \leqslant H$$ , for all $$g \in G$$ , where $$H^{sG}$$ is the intersection of all s-permutable subgroups of G containing H. We study the structure of finite groups under the assumption that the maximal or the minimal subgroups of Sylow subgroups of some normal subgroups of G are $$\mathcal {SSH}$$ -subgroups in G. Several recent results from the literature are improved and generalized.
PubDate: 2018-02-05
DOI: 10.1007/s11565-018-0299-1

• Comparing predator–prey models with hidden and explicit resources
• Authors: Luciana Mafalda Elias de Assis; Malay Banerjee; Ezio Venturino
Abstract: In this paper two mathematical models are proposed and analyzed to elucidate the influence on a generalist predator of its hidden and explicit resources. Boundedness of the system’s trajectories, feasibility, local and global stability of the equilibria for both models are established, as well as possible local bifurcations. The findings indicate that the relevant behaviour of the system, including switching of stability, extinction and persistence of the involved populations, depends mainly on the reproduction rate of the favorite prey. To achieve full ecosystem survival some balance between the respective grazing pressures exerted by the predator on the prey populations needs to be maintained, while higher grazing pressure just on one species always leads to its extinction.
PubDate: 2018-01-22
DOI: 10.1007/s11565-018-0298-2

• Pairings and related symmetry notions
• Authors: G. Chiaselotti; T. Gentile; F. Infusino
Abstract: In this paper, we give a purely mathematical generalization of an information table. We call pairing on a given set $$\Omega$$ a triple $$\mathfrak {P}=(U, F, \Lambda )$$ , where U and $$\Lambda$$ are non-empty sets and $$F:U\times \Omega \rightarrow \Lambda$$ is a map. We provide several examples of pairings: graphs, digraphs, metric spaces, group actions and vector spaces endowed with a bilinear form. Moreover, we reinterpret the usual notion of indiscernibility (with respect to a fixed attribute subset of an information table) in terms of local symmetry on U and, then, we study a global version of symmetry, that we called indistinguishability. In particular, we interpret the latter relation as the symmetrization of a pre-order $$\le _{\mathfrak {P}}$$ , that describes the symmetry transmission between subsets of $$\Omega$$ . Hence, we introduce a global average of symmetry transmission and studied it for some basic digraph families. Finally, we prove that the partial order of any finite lattice can be described in terms of the above pre-order.
PubDate: 2018-01-15
DOI: 10.1007/s11565-018-0297-3

• Some elementary examples of quartics with finite-dimensional motive
• Authors: Robert Laterveer
Pages: 315 - 321
Abstract: This small note contains some easy examples of quartic hypersurfaces that have finite-dimensional motive. As an illustration, we verify a conjecture of Voevodsky (concerning smash-equivalence) for some of these special quartics.
PubDate: 2017-11-01
DOI: 10.1007/s11565-016-0263-x
Issue No: Vol. 63, No. 2 (2017)

• Height estimates and half-space type theorems in weighted product spaces
with nonnegative Bakry–Émery–Ricci curvature
• Authors: Henrique F. de Lima; Márcio S. Santos
Pages: 323 - 332
Abstract: We prove height estimates concerning compact hypersurfaces with nonzero constant weighted mean curvature and whose boundary is contained into a slice of a weighted product space of nonnegative Bakry–Émery–Ricci curvature. As applications of our estimates, we obtain half-space type results related to complete noncompact hypersurfaces properly immersed in such an ambient space.
PubDate: 2017-11-01
DOI: 10.1007/s11565-016-0268-5
Issue No: Vol. 63, No. 2 (2017)

• On the growth and approximation of entire functions represented by
Laplace–Stieltjes’ transformation
• Authors: Chhaya Singhal; G. S. Srivastava
Pages: 365 - 376
Abstract: In the present paper, we obtain the characterization of various growth parameters of an entire function F(s) represented by Laplace–Stieltjes transformation in terms of the rate of decrease of $$E_n ( {F,\beta } ),$$ where $$E_n ( {F,\beta } )$$ represents the error in approximating the function F(s) by exponential polynomials.
PubDate: 2017-11-01
DOI: 10.1007/s11565-017-0272-4
Issue No: Vol. 63, No. 2 (2017)

• Stability of a Kirchhoff–Roe scheme for two-dimensional linearized
Euler systems
• Authors: Emmanuel Franck; Laurent Gosse
Abstract: By applying Helmholtz decomposition, the unknowns of a linearized Euler system can be recast as solutions of uncoupled linear wave equations. Accordingly, the Kirchhoff expression of the exact solutions is recast as a time-marching, Lax–Wendroff type, numerical scheme for which consistency with one-dimensional upwinding is checked. This discretization, involving spherical means, is set up on a 2D uniform Cartesian grid, so that the resulting numerical fluxes can be shown to be conservative. Moreover, semi-discrete stability in the $$H^s$$ norms and vorticity dissipation are established, along with practical second-order accuracy. Finally, some relations with former “shape functions” and “symmetric potential schemes” are highlighted.
PubDate: 2017-12-06
DOI: 10.1007/s11565-017-0296-9

• Homological equivalence relations on an algebraic curve
• Authors: Lucio Guerra
Abstract: We study the collection of homological equivalence relations on a fixed curve. We construct a moduli space for pairs consisting of a curve of genus g and a homological equivalence relation of degree n on the curve, and a classifying set for homological equivalence relations of degree n on a fixed curve, modulo automorphisms of the curve. We identify a special type of homological equivalence relations, and we characterize the special homological equivalence relations in terms of the existence of elliptic curves in the Jacobian of the curve.
PubDate: 2017-11-23
DOI: 10.1007/s11565-017-0295-x

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