Results 11 to 20 of about 201,758 (300)

Modular topologies on vector spaces [PDF]

open access: green
This paper addresses the topological structures induced on vector spaces by convex modulars that do not satisfy the $Δ_2$ condition, with particular focus on their applications to variable exponent spaces such as \( \ell^{(p_n)} \) and \( L^{p(\cdot)} \).
Mohamed A. Khamsi   +2 more
openalex   +3 more sources

Modular Locally Constant Mappings in Vector Ultrametric Spaces [PDF]

open access: goldAbstract and Applied Analysis, 2011
We give some sufficient conditions for mappings defined on vector ultrametric spaces to be modular locally constant.
Kamal Fallahi, Kourosh Nourouzi
openalex   +6 more sources

Fixed point theorems in modular vector spaces

open access: diamondThe Journal of Nonlinear Sciences and Applications, 2017
Summary: In this work, we initiate the metric fixed point theory in modular vector spaces under Nakano formulation. In particular, we establish an analogue to Banach contraction principle, Browder and Göhde fixed point theorems for nonexpansive mappings in the modular sense.
Afrah A. N. Abdou, Mohamed A. Khamsi
openalex   +3 more sources

On some vector valued generalized difference modular sequence spaces

open access: hybridFilomat, 2011
In this paper we generalize the modular sequence space ?{Mk} by introducing the sequence space ?{Mk,p,q,s,?n/vm}. We give various properties relevant to algebraic and topological structures of this space and derived some other spaces.
Vatan Karakaya, Hemen Dutta
openalex   +4 more sources

Modular network SOM (mnSOM): from vector space to function space

open access: greenProceedings. 2005 IEEE International Joint Conference on Neural Networks, 2005., 2006
Kohonen's self-organizing map (SOM), which performs topology-preserving transformation from a high dimensional data vector space to a low-dimensional map space, provides a powerful tool for data analysis, classification and visualization in many application fields. Despite its power, SOM can only deal with vectorized data, although many expansions have
Tetsuo Furukawa   +3 more
openalex   +3 more sources

On Some Modular Köthe Vector Valued Sequence Space using φ-Function

open access: diamondJournal of Physics: Conference Series, 2020
Abstract In this paper, we introduce some new modular vector valued sequence spaces defined by φ-function and give some basic result of this space.
Evalina Herawati, N. Irsyad
openalex   +2 more sources

A Complex Structure for Two-Typed Tangent Spaces [PDF]

open access: yesEntropy
This study concerns Riemannian manifolds with two types of tangent vectors. Let it be given that there are two subspaces of a tangent space with the property that each tangent vector has a unique decomposition as the sum of a vector in one subspace and a
Jan Naudts
doaj   +2 more sources

On vector spaces of certain modular forms of given weights [PDF]

open access: diamondBulletin of the Australian Mathematical Society, 1977
Let p be a rational prime and Qp be the field of p–adic numbers. Jean-Pierre Serre [Lecture Notes in Mathematics, 350, 191–268 (1973)] had defined p–adic modular forms as the limits of sequences of modular forms over the modular group SL2(Z). He proved that with each non-zero p–adic modular form there is associated a unique element called its weight k.
Amita Aggarwal, Manoj K. Agrawal
openalex   +3 more sources

A Comparative Analysis of Space Vector Modulation-Based Common Mode Voltage Reduction Strategies in a Modular Multilevel Converter

open access: goldIEEE Access
In various variable speed applications with power converters, failures in the bearings caused by common mode voltage (CMV) have been frequently reported. This study investigates space vector modulation (SVM)-based strategies for reducing CMV in a modular
Chengjun Tang   +2 more
doaj   +2 more sources

Control of Modular Multilevel Converters Using an Overlapping Multihexagon Space Vector Modulation Scheme [PDF]

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2019
This paper introduces a novel space vector modulation scheme that can be applied for the control of modular multilevel cascaded converters (MMCCs) with any number of levels. This is achieved by using basic two-level or three-level hexagons to determine the switch states and the duty cycles separately within one tier of the converter which is a cascade ...
Oghenewvogaga James Komoda Oghorada   +3 more
openaire   +5 more sources

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