Results 21 to 30 of about 2,780,513 (160)

Search and test algorithms for Triple Product Property triples

open access: yes, 2011
In 2003 COHN and UMANS introduced a group-theoretic approach to fast matrix multiplication. This involves finding large subsets of a group $G$ satisfying the Triple Product Property (TPP) as a means to bound the exponent $\omega$ of matrix multiplication.
Hedtke, Ivo, Murthy, Sandeep
core   +1 more source

Complex-valued fractional derivatives on time scales

open access: yes, 2015
We introduce a notion of fractional (noninteger order) derivative on an arbitrary nonempty closed subset of the real numbers (on a time scale). Main properties of the new operator are proved and several illustrative examples given.Comment: This is a ...
A. Karci   +8 more
core   +1 more source

Signo journal: challenges of the last decade

open access: yesSigno, 2015
The present article, published during the celebration of the 40th anniversary of the Signo journal, created in 1975, has the aim of registering some aspects of the journal’s history over the last decade, from 2005 to 2015.
Rosângela Gabriel
doaj   +1 more source

Maximum Coronal Mass Ejection Speed as an Indicator of Solar and Geomagnetic Activities

open access: yes, 2011
We investigate the relationship between the monthly averaged maximal speeds of coronal mass ejections (CMEs), international sunspot number (ISSN), and the geomagnetic Dst and Ap indices covering the 1996-2008 time interval (solar cycle 23).
A. Kilcik   +21 more
core   +3 more sources

Origin of Life and Birth of Life ― An Open Access Journal

open access: yesLife, 2011
Our publishing company MDPI (Multidisciplinary Digital Publishing Institute) planned to launch this journal Life (ISSN 2075-1729) since June 2009. Life science as a topic covers a very broad area.
Shu-Kun Lin
doaj   +1 more source

An Ontology-Based Method for Semantic Integration of Business Components

open access: yes, 2011
Building new business information systems from reusable components is today an approach widely adopted and used. Using this approach in analysis and design phases presents a great interest and requires the use of a particular class of components called ...
Elasri, Hicham   +2 more
core   +1 more source

Message from the Editor-in-Chief of International Journal of Science Annals, Vol. 4, No. 1, 2021

open access: yesInternational Journal of Science Annals, 2021
Dear Readers and Authors, It is a great honor for us to publish the International Journal of Science Annals (IJSA) for the fourth year in a row. IJSA is an academic periodical peer-reviewed indexed Journal that provides a scientific platform for ...
Yuriy Borysovych Melnyk
doaj   +1 more source

Resumed Publication of Pharmaceuticals in 2009

open access: yesPharmaceuticals, 2009
After a five year hiatus, we are pleased to announce the resumption of publication of the MDPI journal Pharmaceuticals (ISSN 1424-8247). First launched in 2004, few suitable papers were submitted and only one was published [1], before our limited ...
Shu-Kun Lin, Derek J. McPhee
doaj   +1 more source

The new edition of the ISSN international standard makes life easier for the serials community

open access: yesSerials: The Journal for the Serials Community, 2008
A new edition of the ISO international standard on the International Standard Serial Number (ISSN) – ISO 3297: 2007 – has just been published. The main new feature is the Linking ISSN or ISSN-L.The ISSN-L is a mechanism which enables collocation or linking among different media versions of a continuing resource.
openaire   +2 more sources

Reflecting on the Progress and Future of Thermo

open access: yesThermo
As we embark on a new chapter in 2025, it is with immense pride and gratitude that we reflect on the remarkable journey of Thermo (ISSN 2673-7264; [...]
Johan Jacquemin
doaj   +1 more source

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