Cotfas, P.A : rechercher sur Z-Library

Le plus grand référentiel d'articles scientifiques au monde. 70,000,000+ d'articles gratuitement.

Campagne de collecte 15 septembre 2024 – 1 octobre 2024

Z-Library est une des plus grandes bibliothèques en ligne dans le monde, avec le stockage de plus de 17,000,000 livres et plus de 84,837,000 articles. Nous encourageons l'accès libre de chacun à la littérature. Aujourd'hui (15 septembre 2024) nous faisons un appel de fonds à tous ceux qui veulent contribuer encore plus au soutien et au développement de notre projet.

Les téléchargements SANS LIMITE sont aussi (au cours de 31 jours après la date de don) disponibles pour TOUS les utilisateurs qui soient en mesure de soutenir le projet pendant la période de collecte de fonds jusqu'au 1 octobre 2024.

C'est quoi, la collecte de fonds?En savoir plus

Faire un don

Livres
Articles (128)
Les plus populaires
Liste
- Liste
- Tableau

A finite-dimensional quantum model for the stock market

Liviu-Adrian Cotfas

Journal:

Physica A: Statistical Mechanics and its Applications

Année:

2013

Langue:

english

Fichier:

PDF, 459 KB

english, 2013

Modeling the Consumers Opinion Influence in Online Social Media in the Case of Eco-friendly Products

Delcea, Camelia, Cotfas, Liviu-Adrian, Trică, Carmen, Crăciun, Liliana, Molanescu, Anca

Journal:

Sustainability

Année:

2019

Langue:

english

Fichier:

PDF, 8.03 MB

english, 2019

Methods to determine the dc parameters of solar cells: A critical review

Cotfas, D.T., Cotfas, P.A., Kaplanis, S.

Journal:

Renewable and Sustainable Energy Reviews

Année:

2013

Langue:

english

Fichier:

PDF, 750 KB

english, 2013

[IEEE 2013 IEEE Global Engineering Education Conference (EDUCON) - Berlin (2013.3.13-2013.3.15)] 2013 IEEE Global Engineering Education Conference (EDUCON) - TRIZ method and remote engineering approach

Samoila, C., Ursutiu, D., Cotfas, P., Cotfas, D.

Année:

2013

Langue:

english

Fichier:

PDF, 221 KB

english, 2013

[IEEE 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Bilbao, Spain (2012.07.4-2012.07.6)] 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Tensile testing machine based on virtual instrumentation

Blaga, E., Cotfas, P.A., Cotfas, D.T., Balint, M.

Année:

2012

Langue:

english

Fichier:

PDF, 1.18 MB

english, 2012

[IEEE 2014 11th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Porto, Portugal (2014.02.26-2014.02.28)] 2014 11th International Conference on Remote Engineering and Virtual Instrumentation (REV) - General physics remote laboratory based on the NI ELVIS platform and Moodle

Cotfas, P.A., Cotfas, D. T., Floroian, L., Floroian, D.

Année:

2014

Fichier:

PDF, 1.38 MB

2014

Transient Behavior of Concentrated Solar Oxide Thermoelectric Generator

Mahmoudinezhad, S., Rezania, A., Cotfas, P.A., Cotfas, D.T., Rosendahl, L.A.

Journal:

Energy

Année:

2018

Langue:

english

Fichier:

PDF, 1.52 MB

english, 2018

Response of thermoelectric generators to Bi2Te3 and Zn4Sb3 energy harvester materials under variant solar radiation

Mahmoudinezhad, S., Cotfas, P.A., Cotfas, D.T., Rosendahl, L.A., Rezania, A.

Journal:

Renewable Energy

Année:

2020

Langue:

english

Fichier:

PDF, 1.94 MB

english, 2020

Social distancing in airplane seat assignments

Salari, Mostafa, Milne, R. John, Delcea, Camelia, Kattan, Lina, Cotfas, Liviu-Adrian

Journal:

Journal of Air Transport Management

Année:

2020

Fichier:

PDF, 5.73 MB

2020

Systems of orthogonal polynomials defined by hypergeometric type equations with application to quantum mechanics

Nicolae Cotfas

Journal:

Central European Journal of Physics

Année:

2004

Langue:

english

Fichier:

PDF, 218 KB

english, 2004

[IEEE 2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - Brasov, Romania (2012.05.24-2012.05.26)] 2012 13th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - The methods to determine the series resistance and the ideality factor of diode for solar cells-review

Cotfas, Daniel T., Cotfas, Petru A., Ursutiu, Doru, Samoila, Cornel

Année:

2012

Langue:

english

Fichier:

PDF, 498 KB

english, 2012

Discussion

Borza, Paul Nicolae, Cotfas, Petru Adrian, Cotfas, Daniel Tudor, Carp, Marius Catalin

Journal:

IEEE Transactions on Power Systems

Année:

1986

Langue:

english

Fichier:

PDF, 466 KB

english, 1986

Finite oscillator obtained through finite frame quantization

Cotfas, Nicolae, Dragoman, Daniela

Journal:

Journal of Physics A Mathematical and Theoretical

Année:

2013

Langue:

english

Fichier:

PDF, 566 KB

english, 2013

Symmetry properties of Penrose type tilings

Cotfas, N.

Journal:

Philosophical Magazine

Année:

2008

Langue:

english

Fichier:

PDF, 109 KB

english, 2008

A mathematical model for diamond-type crystals

Cotfas, N

Journal:

Journal of Physics A: Mathematical and General Physics

Année:

1995

Langue:

english

Fichier:

PDF, 301 KB

english, 1995

Methods and techniques to determine the dynamic parameters of solar cells: Review

Cotfas, D.T., Cotfas, P.A., Kaplanis, S.

Journal:

Renewable and Sustainable Energy Reviews

Année:

2016

Langue:

english

Fichier:

PDF, 987 KB

english, 2016

GM(1, 1) in bankruptcy forecasting

Delcea, Camelia, Bradea, Ioana, Maracine, Virginia, Scarlat, Emil, Cotfas, Liviu-Adrian

Journal:

Grey Systems Theory and Application

Année:

2013

Langue:

english

Fichier:

PDF, 421 KB

english, 2013

[IEEE 2016 IEEE 22nd International Symposium for Design and Technology in Electronic Packaging (SIITME) - Oradea, Romania (2016.10.20-2016.10.23)] 2016 IEEE 22nd International Symposium for Design and Technology in Electronic Packaging (SIITME) - Modelling and PSPICE simulation oi a photovoltaic/thermoelectric system

Cotfas, P. A., Cotfas, D. T., Machidon, O.M.

Année:

2016

Langue:

english

Fichier:

PDF, 480 KB

english, 2016

Solar Cell Capacitance Determination Based on an RLC Resonant Circuit

Cotfas, Petru, Cotfas, Daniel, Borza, Paul, Sera, Dezso, Teodorescu, Remus

Journal:

Energies

Année:

2018

Langue:

english

Fichier:

PDF, 4.15 MB

english, 2018

Establishing the Proper Seating Arrangement in Elevated Lecture Halls for a Faster Evacuation Process

Delcea, Camelia, Cotfas, Liviu-Adrian, Craciun, Liliana, Molanescu, Anca Gabriela

Journal:

IEEE Access

Année:

2019

Langue:

english

Fichier:

PDF, 55 KB

english, 2019

Performance evaluation of a high-temperature thermoelectric generator under different solar concentrations

Mahmoudinezhad, Sajjad, Cotfas, Petru A., Cotfas, Daniel T., Rezania, Alireza, Rosendah, Lasse A.

Journal:

Energy Procedia

Année:

2018

Langue:

english

Fichier:

PDF, 1.36 MB

english, 2018

Are Seat and Aisle Interferences Affecting the Overall Airplane Boarding Time? An Agent-Based Approach

Delcea, Camelia, Cotfas, Liviu-Adrian, Crăciun, Liliana, Molanescu, Anca

Journal:

Sustainability

Année:

2018

Fichier:

PDF, 4.77 MB

2018

Determinants of Individualsâ E-Waste Recycling Decision: A Case Study from Romania

Delcea, Camelia, CrÄciun, Liliana, IoanÄÈ, Corina, Ferruzzi, Gabriella, Cotfas, Liviu-Adrian

Journal:

Sustainability

Année:

2020

Fichier:

PDF, 4.51 MB

2020

Evaluating Classical Airplane Boarding Methods Considering COVID-19 Flying Restrictions

Cotfas, Liviu-Adrian, Delcea, Camelia, Milne, R. John, Salari, Mostafa

Journal:

Symmetry

Année:

2020

Fichier:

PDF, 2.24 MB

2020

An alternate mathematical model for single-wall carbon nanotubes

Nicolae Cotfas

Journal:

Journal of Geometry and Physics

Année:

2005

Langue:

english

Fichier:

PDF, 139 KB

english, 2005

Discrete quasiperiodic sets with predefined local structure

Nicolae Cotfas

Journal:

Journal of Geometry and Physics

Année:

2006

Langue:

english

Fichier:

PDF, 565 KB

english, 2006

Elements of discrete differential calculus with applications to crystal physics

Nicolae Cotfas

Journal:

Journal of Geometry and Physics

Année:

1998

Langue:

english

Fichier:

PDF, 631 KB

english, 1998

Topological manifolds and vector bundles with applications to crystal physics

N. Cotfas

Journal:

Journal of Geometry and Physics

Année:

1993

Langue:

english

Fichier:

PDF, 1.20 MB

english, 1993

Shape-invariant hypergeometric type operators with application to quantum mechanics

Nicolae Cotfas

Journal:

Central European Journal of Physics

Année:

2006

Langue:

english

Fichier:

PDF, 214 KB

english, 2006

Gazeau-Klauder type coherent states for hypergeometric type operators

Nicolae Cotfas

Journal:

Central European Journal of Physics

Année:

2009

Langue:

english

Fichier:

PDF, 374 KB

english, 2009

Permutation Representations Defined by G-Clusters with Application to Quasicrystals

Nicolae Cotfas

Journal:

Letters in Mathematical Physics

Année:

1999

Langue:

english

Fichier:

PDF, 93 KB

english, 1999

Finite graphs associated with a cut-and-project set

Nicolae Cotfas

Journal:

Czechoslovak Journal of Physics

Année:

2001

Langue:

english

Fichier:

PDF, 191 KB

english, 2001

[IEEE 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Bilbao, Spain (2012.07.4-2012.07.6)] 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Embedded system for mini solar vehicle

Corciova, F. V., Cofas, D. T., Cotfas, P. A.

Année:

2012

Langue:

english

Fichier:

PDF, 1.29 MB

english, 2012

A mathematical construction of n -dimensional quasicrystals starting from G -clusters

Cotfas, N, Verger-Gaugry, J-L

Journal:

Journal of Physics A: Mathematical and General Physics

Année:

1997

Langue:

english

Fichier:

PDF, 150 KB

english, 1997

Finite-dimensional Hilbert space and frame quantization

Cotfas, Nicolae, Gazeau, Jean Pierre, Vourdas, Apostol

Journal:

Journal of Physics A Mathematical and Theoretical

Année:

2011

Langue:

english

Fichier:

PDF, 291 KB

english, 2011

Finite tight frames and some applications

Cotfas, Nicolae, Gazeau, Jean Pierre

Journal:

Journal of Physics A Mathematical and Theoretical

Année:

2010

Langue:

english

Fichier:

PDF, 332 KB

english, 2010

Random walks on carbon nanotubes and quasicrystals

Cotfas, Nicolae

Journal:

Journal of Physics A: Mathematical and General Physics

Année:

2000

Langue:

english

Fichier:

PDF, 137 KB

english, 2000

[IEEE 2010 8th International Conference on Communications (COMM) - Bucharest, Romania (2010.06.10-2010.06.12)] 2010 8th International Conference on Communications - Fractal web service composition framework

Cotfas, Liviu Adrian, Diosteanu, Andreea, Smeureanu, Ion

Année:

2010

Langue:

english

Fichier:

PDF, 237 KB

english, 2010

[IEEE 2013 10th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Sydney, NSW (2013.2.6-2013.2.8)] 2013 10th International Conference on Remote Engineering and Virtual Instrumentation (REV) - RELab - virtual laboratory of the renewable energy

Cotfas, D. T., Cotfas, P. A., Ursutiu, D., Samoila, C.

Année:

2013

Langue:

english

Fichier:

PDF, 568 KB

english, 2013

[IEEE 2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - Bran, Romania (2014.5.22-2014.5.24)] 2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - The study of the photovoltaic cells parameters in concentrated sunlight

Cotfas, Daniel T., Floroian, Laura, Cotfas, Petru A., Floroian, Dan, Rubin, Rachamim, Lieberman, Doron

Année:

2014

Langue:

english

Fichier:

PDF, 610 KB

english, 2014

[IEEE 2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - Bran, Romania (2014.5.22-2014.5.24)] 2014 International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - Remote SoC/FPGA platform configuration for cloud applications

Machidon, Octavian, Sandu, Florin, Zaharia, Corneliu, Cotfas, Petru, Cotfas, Daniel

Année:

2014

Langue:

english

Fichier:

PDF, 386 KB

english, 2014

Intelligent agents and risk based model for supply chain management

Smeureanu, Ion, Ruxanda, Gheorghe, Diosteanu, Andreea, Delcea, Camelia, Cotfas, Liviu Adrian

Journal:

Technological and Economic Development of Economy

Année:

2012

Langue:

english

Fichier:

PDF, 1002 KB

english, 2012

Comparative study regarding chemical composition of hen eggs obtained in conventional system and free range

Iuliana, Nistor (Cotfas) Lucia, Aida, Albu, Vasile, Bunduc, Giorgi, Usturoi Marius

Journal:

Journal of Biotechnology

Année:

2014

Langue:

english

Fichier:

PDF, 62 KB

english, 2014

[IEEE 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Bilbao, Spain (2012.07.4-2012.07.6)] 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Tester for photovoltaic charger using NI cRIO

Cotfas, P.A., Cotfas, D.T., Ursutiu, D., Samoila, C.

Année:

2012

Langue:

english

Fichier:

PDF, 1.18 MB

english, 2012

[IEEE 2013 10th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Sydney, NSW (2013.2.6-2013.2.8)] 2013 10th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Mobile virtual laboratory for renewable energy

Cotfas, P. A., Cotfas, D. T., Samoila, C.

Année:

2013

Langue:

english

Fichier:

PDF, 703 KB

english, 2013

[IEEE 2010 12th International Conference on Optimization of Electrical and Electronic Equipment (OPTIM) - Brasov, Romania (2010.05.20-2010.05.22)] 2010 12th International Conference on Optimization of Electrical and Electronic Equipment - Current-voltage characteristic raising techniques for solar cells. comparisons and applications

Cotfas, Daniel T., Cotfas, Petru A., Ursutiu, Doru, Samoila, Cornel

Année:

2010

Langue:

english

Fichier:

PDF, 836 KB

english, 2010

[IEEE 2012 15th International Conference on Interactive Collaborative Learning (ICL) - Villach, Austria (2012.09.26-2012.09.28)] 2012 15th International Conference on Interactive Collaborative Learning (ICL) - Remote experiment and correlation with innovation process

Samoila, C., Ursutiu, D., Cotfas, P., Cotfas, D.

Année:

2012

Langue:

english

Fichier:

PDF, 269 KB

english, 2012

[IEEE 2013 IEEE International Conference on Grey Systems and Intelligent Services (GSIS) - Macao, Macao (2013.11.15-2013.11.17)] Proceedings of 2013 IEEE International Conference on Grey systems and Intelligent Services (GSIS) - Banking sector risks identification via GRA

Maracine, Virginia, Delcea, Camelia, Bradea, Ioana, Scarlat, Emil, Cotfas, Liviu

Année:

2013

Langue:

english

Fichier:

PDF, 289 KB

english, 2013

[IEEE 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Bilbao, Spain (2012.07.4-2012.07.6)] 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Energy balance for different positions of photovoltaic panels

Cotfas, D.T., Cotfas, P.A., Samoila, C., Ursutiu, D.

Année:

2012

Langue:

english

Fichier:

PDF, 1.23 MB

english, 2012

[IEEE 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Bilbao, Spain (2012.07.4-2012.07.6)] 2012 9th International Conference on Remote Engineering and Virtual Instrumentation (REV) - Quantitative approaches in remote experiment design

Samoila, C., Ursutiu, D., Cotfas, P., Cotfas, D., Stefan, Al.

Année:

2012

Langue:

english

Fichier:

PDF, 450 KB

english, 2012