Results 11 to 20 of about 11,219,914 (335)

KMS, ETC. [PDF]

open access: yesReviews in Mathematical Physics, 2002
A general form of the "Wick rotation", starting from imaginary-time Green functions of quantum-mechanical systems in thermal equilibrium at positive temperature, is established. Extending work of H. Araki, the rôle of the KMS condition and of an associated anti-unitary symmetry operation, the "modular conjugation", in constructing analytic ...
Birke, Lothar, Fröhlich, Jürg
openaire   +4 more sources

An encryption-encoding architecture for security enhancement in 5G communication networks [PDF]

open access: yesITM Web of Conferences, 2023
This article introduces a hybrid architecture of cryptography and coding technique to provide security in 5G communication networks. There are various types of attacks in 5G communication systems.
Das Anwesha   +3 more
doaj   +1 more source

Forecasting of Ionospheric Total Electron Content Data Using Multivariate Deep LSTM Model for Different Latitudes and Solar Activity

open access: yesJournal of Electrical and Computer Engineering, 2023
The ionospheric state is becoming increasingly important to forecast for the reliable operation of terrestrial and space-based radio-communication systems which are influenced by ionospheric space weather. In this study, we have investigated and tested a
Nayana Shenvi, Hassanali Virani
doaj   +1 more source

Assessing and analysing the impact of land take pressures on arable land [PDF]

open access: yesSolid Earth, 2017
Land, and in particular soil, is a finite and essentially non-renewable resource. Across the European Union, land take, i.e. the increase of settlement area over time, annually consumes more than 1000 km2 of which half is actually sealed and hence ...
E. Aksoy   +4 more
doaj   +1 more source

The Feasibility of Replacing Coal with Biomass in Iron-Ore Pelletizing Plants with Respect to Melt-Induced Slagging

open access: yesEnergies, 2020
Combustion-generated fly ash particles in combination with the particles arising from the disintegration of iron-ore pellets, could give rise to the build-up of deposits on the refractory linings of the induration facility.
Hamid Sefidari   +3 more
doaj   +1 more source

Air Cleaning Technologies for Bus and Rail Applications with Focus on UVGI Utilization [PDF]

open access: yesE3S Web of Conferences
Transport applications represent unique environment from the air cleaning perspective. Specifically, for bus and rail applications, a different approach needs to be applied than for building solutions.
Stavova Petra, Kolda Michal
doaj   +1 more source

Using theoretical-computational conflicts to enrich the concept name of derivative [PDF]

open access: yes, 2003
Recent literature has pointed out pedagogical obstacles associated with the use of computational environments in the learning of mathematics. In this paper, we focus on the pedagogical role of the computer's inherent limitations in the development of ...
Carvalho, Luiz Mariano   +2 more
core   +1 more source

Scalable approach for high-resolution land cover: a case study in the Mediterranean Basin

open access: yesJournal of Big Data, 2023
The production of land cover maps is an everyday use of image classification applications on remote sensing. However, managing Earth observation satellite data for a large region of interest is challenging in the task of creating land cover maps.
Antonio Manuel Burgueño   +6 more
doaj   +1 more source

Global Englishes Constructs in Language Teaching: A Review of Facebook Materials

open access: yesUniversity of Chitral Journal of Linguistics and Literature, 2021
The rising paradigm of Global Englishes (GE) was faced with native-speaker norms and the principle of diversity therein called upon global contents when there was paucity of globally-oriented language materials and typical models hardly meet the future ...
Marghoob Ahmad, Dr. Mamuna Ghani
doaj   +1 more source

Entrepreneurs vs. Business Plans: A Study of Practicality and Usefulness

open access: yesThe South East Asian Journal of Management, 2013
Inhigher education, the topic on business plan is relatively studied in great details to note the importance on formulating business plans. Business plans are regarded as the reference point for business people; managers and members of the board of ...
Sam PD Anantadjaya
doaj   +1 more source

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