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* Gheorghe M. Ștefan: "Integral Parallel Architecture in System-on-Chip Designs", in The 6th International Workshop on Unique Chips and Systems, Atlanta, GA, USA, December 4, 2010, pag. 23-26.
 
* Gheorghe M. Ștefan: "Integral Parallel Architecture in System-on-Chip Designs", in The 6th International Workshop on Unique Chips and Systems, Atlanta, GA, USA, December 4, 2010, pag. 23-26.
* Petronela Bumbacea, [[Utilizator:Valeriu Codreanu], [[Utilizator:Radu Hobincu]], [[Utilizator: Lucian Petrică]], Gheorghe M. Ștefan: "Technology Driven Architecture for Integral Parallel Embedded Computing", in CAS 2010 Proceedings, vol.1, pag.35-42.
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* Petronela Bumbacea, [[Utilizator:Valeriu Codreanu]], [[Utilizator:Radu Hobincu]], [[Utilizator: Lucian Petrică]], Gheorghe M. Ștefan: "Technology Driven Architecture for Integral Parallel Embedded Computing", in CAS 2010 Proceedings, vol.1, pag.35-42.
 
* Ana-Maria Calfa, Gheorghe Ștefan: "Matrix Computation on the Connex Parallel Architecture", International Conference on Signals and Electronic Systems, Gliwice, Poland, Sept. 2010.
 
* Ana-Maria Calfa, Gheorghe Ștefan: "Matrix Computation on the Connex Parallel Architecture", International Conference on Signals and Electronic Systems, Gliwice, Poland, Sept. 2010.
 
* Gheorghe M. Ștefan: "Integral Humanism", Conference on Intercultural Humanism, Oxford, 9-12 September 2010.
 
* Gheorghe M. Ștefan: "Integral Humanism", Conference on Intercultural Humanism, Oxford, 9-12 September 2010.
* Mihaela Malița, Gheorghe Ștefan: "Many-Processor & Kleene's Model", in Scientific Buletin of UPB, serie C, no. 3, 2010  
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* Mihaela Malița, Gheorghe Ștefan: "Many-Processor & Kleene's Model", in Scientific Buletin of UPB, serie C, no. 3, 2010
  
 
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Versiunea de la data 19 ianuarie 2012 11:15

Gheorghe stefan.jpg

Cercetare

"If you get a letter of recommendation that counts number of publications, rather than commenting substantively on a candidate's contributions, ignore it."

David Lorge Parnas: "Stop the Numbers Game. Counting papers slows the rate of scientific progress" , Communication of the ACM , November 2007.


Următoarele subiecte tehnice și științifice au fost în centrul preocupărilor mele în ultimele decenii:

  • Real Complexity
  • Integral Parallel Computation
  • Parallel I/O System
  • The Supra-Linear Condition for Parallel Computation
  • The Algorithmic Complexity & Digital Circuits
  • 0-State Universal Turing Machine
  • The Connex Project
  • Lisp Machine
  • Functional Information
  • Loops & Recursive Functions
  • Loops & Formal languages
  • Loop Based Taxonomy for Digital Systems
  • Virtual Multi-Processor


În același timp, conștient și de problemele non-tehnice, am scris următoarele texte:

Învățământ

Politică

Următoarea problemă politică m-a hărțuit în scurta mea implicare politică ca membru în Guvernul Petre Roman 2:

  • Reforma Educației: lupta mea fără de succes cu reforma conservativă a societății românești în anii 1990 - 1991

Implicare civică

Implicarea mea civică este o urmare a scurtei mele aventuri politice. Au rezultat niște acțiuni și opinii sporadice referitoare la (prea) veșnicele probleme românești:

  • Proiectul iDemocracy
  • How to make the most appropriate distinction between instruction, training and education in the Romanian educational policy. See an uneducated opinion in: "Invatamantul la orizontul 2020" published in Romania 2020, Ed. Compres, 1998.
  • Do we expect the professional ethos to trigger improvement in our society? A preliminary answer in the short inaugural statement drafted as board member of IPID (Institutul de Proiecte pentru Inovatie si Dezvoltare): "Dezvoltare Integrativa & Ethos Profesional"
  • In order to increase the chance of the young inventors to promote their ideas I co-initiated and I'm supporting I-CUBE as member in the advisory board.

Patente și publicații

Patente

  • Gheorghe Ștefan, Dominique Thiebaut: Memory Engine for the Inspection and Manipulation of Data (United States Patent 6,760,821, July 6, 2004; Filed: August 10, 2001)
  • Gheorghe Ștefan, Dominique Thiebaut, Dan Tomescu: Associative memory device (United States Patent 7,069,386, June 27, 2006; Filed: May 10, 2004)
  • Dan Tomescu, Gheorghe Ștefan: Data processing system having a Cartesian Controller (United States Patent 7,107,478, September 12, 2006; Filed: December 4, 2003)
  • Gheorghe Ștefan, Dan Tomescu: Cellular Engine for a Data Processing System (United States Patent 7,383,421, June 3, 2008 ; Filed: December 4, 2003)
  • Bogdan Mîțu, Gheorghe Ștefan, Dan Tomescu: Array of Boolean logic controlled processing elements with concurrent I/O processing and instruction sequencing (United States Patent 7,451,293, November 11, 2008 ; Filed: Oct. 21, 2005)
  • Gheorghe Ștefan, Dan Tomescu: Cellular Engine for a Data Processing System (United States Patent 7,908,461, March 15, 2011 ; Filed: December 19, 2007)

Patente în așteptare

  • Gheorghe Ștefan: Integral parallel machine, Serial No. 11/897825 - Filed August 31, 2007.
  • Bogdan Mîțu, Gheorghe Ștefan, Lazar Bivolarski: Multi-sequence control for a data parallel system, Serial No. 11/897798 - Filed August 30, 2007.
  • Marius Stoian, Gheorghe Ștefan: Hardware Multi-Core Processor Optimized for Object Oriented Computing, Serial No. 20080177979 - July 24, 2008.

În format electronic

Cărți și monografii

  • Gh. Ștefan: Ethos - Pathos - Logos. Eseuri despre unitatea triadică, Ed. ALL, 2010.
  • Gh. Ștefan: Circuite și sisteme digitale, Ed. tehnică, 2000.
  • Gh. Ștefan: Circuit Complexity, Recursion, Grammars and Information. Multiple Morphisms, Ed. Transilvania University of Brasov, 1997.
  • Gh. Ștefan: Introduction to Functional Design of Digital Systems, IPB Press, 1994, (preprint, TIMA, ENPG, Grenoble, France, iulie 1993).
  • Gh. Ștefan: Circuite integrate digitale, Ed. Denix, București, 1993.
  • M. Drăgănescu, Gh. Ștefan, C. Burileanu: Electronică functională, Ed. Tehnică, București, 1991.
  • Gh. Ștefan: Funcție și structură în sistemele digitale, Ed. Academiei Romane, București, 1991.
  • Gh. Ștefan, I. Drăghici, T. Mureșan, E. Barbu: Circuite integrate digitale, Ed. Didactică și pedagogică, București, 1983.
  • M. Drăgănescu, V. Sahleanu, C. Bălăceanu, A. Giuculescu, Gh. Ștefan, P. Mocanu: Precursori români ai ciberneticii, Ed. Academiei RSR, București, 1979; (the English version: Odobleja between Amper and Wiener, Ed. Academiei RSR, București, 1981).

Cursuri și materiale tematice

  • Gh. Ștefan, V. Bistriceanu: Circuite integrate digitale. Probleme. Proiectare, Ed. Didactică și pedagogică, București, 1992. Reprinted by Editura Albastra, 2000.
  • A. Rusu, Gh. Ștefan, Gh. Brezeanu: Dispozitive și circuite electronice - Culegere de probleme de proiectare, IPB Press, 1988; Reprinted IPB Press, 1991
  • D. Dascălu, Gh. Ștefan, Gh. Brezeanu, A. Rusu, et all.: Dispozitive și circuite electronice - Probleme, Ed. Didactică și pedagogică, București, 1982.
  • D. Dascălu, M. Profirescu, I. Costea, E. Sofron, M. Ionescu, Gh. Ștefan, Gh. Brezeanu: Circuite electronice - Culegere de probleme, IPB Press, 1980.
  • Sanda Maican, Gh. Ștefan: Culegere de probleme de circuite integrate digitale, IPB Press, 1979.
  • M. Bodea, I. Mihuț, M. Hancu, Sanda Dumitrescu, Gh. Ștefan: Aparate de măsură și control - Îndrumar de laborator, IPB Press, 1977.
  • Sanda Ștefan, Gh. Ștefan: Circuite integrate digitale - Îndrumar de laborator, IPB Press, 1976.

Articole și comunicări

2011

  • Gheorghe M. Ștefan: "Informația fenomenologică și filosofia profunzimilor la început de mileniu", în Academica, Anul XXI, Nr. 4-5, Aprilie-Mai 2011.
  • Mihaela Malița, Gheorghe M. Ștefan: "Backus Language for Functional Nano-Devices", accepted at CAS 2011, Sinaia, Oct. 2011.
  • Gheorghe M. Ștefan: "Don Giovanni sau umbrele iluminismului", în Curtea de Arges, Anul II, Nr. 8(9), August 2011.
  • Mihaela Malița, Gheorghe M. Ștefan: "Parallel RISC Architecture. A Functional Approach Based on Backus's FP language", in Proceedings of the 2011 International Conference on Parallel and Distributed Processing Techniques and Applications, Las Vegas, 2011, pp 492-498.

2010

  • Gheorghe M. Ștefan: "Integral Parallel Architecture in System-on-Chip Designs", in The 6th International Workshop on Unique Chips and Systems, Atlanta, GA, USA, December 4, 2010, pag. 23-26.
  • Petronela Bumbacea, Utilizator:Valeriu Codreanu, Utilizator:Radu Hobincu, Utilizator: Lucian Petrică, Gheorghe M. Ștefan: "Technology Driven Architecture for Integral Parallel Embedded Computing", in CAS 2010 Proceedings, vol.1, pag.35-42.
  • Ana-Maria Calfa, Gheorghe Ștefan: "Matrix Computation on the Connex Parallel Architecture", International Conference on Signals and Electronic Systems, Gliwice, Poland, Sept. 2010.
  • Gheorghe M. Ștefan: "Integral Humanism", Conference on Intercultural Humanism, Oxford, 9-12 September 2010.
  • Mihaela Malița, Gheorghe Ștefan: "Many-Processor & Kleene's Model", in Scientific Buletin of UPB, serie C, no. 3, 2010

2009

  • Gheorghe Ștefan: "One-Chip TeraArchitecture", in Proceedings of the 8th Applications and Principles of Information Science Conference, Okinawa, Japan on 11-12 January 2009.
  • Mihaela Malița, Gheorghe Ștefan: "Integral Parallel Architecture & Berkeley's Motifs", in ASAP09 - 20th IEEE International Conference on Application-Specific Systems, Architectures and Processors, 7-9 July, 2009, Boston, MA, USA, pag. 191-194.
  • Mihaela Malița, Gheorghe Ștefan: "The Berkeley Motifs and an Integral Parallel Architecture", in Romanian Journal of Information Science and Technology, Volume 12, Number 1, 2009, pag. 35-49
  • Gheorghe Ștefan: "The Emergence and its Architecture", în vol. Școala de microelectronică. Volum de lucrări dedicate profesorului acad. Mihai Drăgănescu cu ocazia aniversării vârstei de 80 ani, Ed. Rosetti Educational, 2009, pag. 12-21.
  • Gheorghe Ștefan, Bogdan Mîțu, Marius-Ciprian Stoian: "Heterogeneous vs. Homogeneous in Integral Parallel Computation", în vol. Școala de microelectronică. Volum de lucrări dedicate profesorului acad. Mihai Drăgănescu cu ocazia aniversarii vârstei de 80 ani, Ed. Rosetti Educational, 2009, pag. 114-132.

2008

  • Mihaela Malița, Gheorghe Ștefan: "On the Many-Processor Paradigm", in: H. R. Arabina (Ed.): Proceedings of the 2008 World Congress in Computer Science, Computer Engineering and Applied Computing, vol. PDPTA'08 (The 2008 International Conference on Parallel and Distributed Processing Techniques and Applications), 2008.
  • Monica Dascălu, Eduard Franți, Gheorghe Ștefan, Lucian Milea, Marius Stoian: "Artificial societies simulator" in AIKED'08: Proceedings of the 7th WSEAS International Conference on Artificial intelligence, knowledge engineering and data bases, February 2008
  • Monica Dascălu, Eduard Franți, Gheorghe Ștefan, Lucian Milea: "Modeling production with artificial societies: the emergence of social structure" in AIKED'08: Proceedings of the 7th WSEAS International Conference on Artificial intelligence, knowledge engineering and data bases, February 2008
  • Monica Dascălu, Eduard Franți, Gheorghe Ștefan, Lucian Milea: "Artificial societies: a new paradigm for complex systems modelling" in AIKED'08: Proceedings of the 7th WSEAS International Conference on Artificial intelligence, knowledge engineering and data bases, February 2008

2007

  • Mihaela Malița, Gheorghe Ștefan: "Membrane Computing in Connex Environment", in G. Eleftherakis, P. Kefalas, Gh. Paun, G. Rozenberg, A. Saloma (Eds.): Membrane Comoputing, Springer-Verlag, 2007
  • Gheorghe Ștefan, Marius Stoian: "The efficiency of the register file based architectures in OOP languages era", in SINTES13 Craiova, 2007
  • Marius Stoian, Gheorghe Ștefan: "Stacks or File-Registers in Cellular Computing?", in CAS, Sinaia 2007
  • Gheorghe Ștefan: "Chomsky's Hierarchy & a Loop-Based Taxonomy for Digital Systems", in Romanian Journal of Information Science and Technology vol. 10, no. 2, 2007.
  • Mihaela Malița, Gheorghe Ștefan, Dominique Thiebaut: "Not Multi-, but Many-Core: Designing Integral Parallel Architectures for Embedded Computation" in ACM SIGARCH Computer Architecture News, Volume 35 , Issue 5, Dec. 2007, Special issue: ALPS '07 - Advanced low power systems; communication at International Workshop on Advanced Low Power Systems held in conjunction with 21st International Conference on Supercomputing June 17, 2007 Seattle, WA, USA.
  • Gheorghe Ștefan: "Membrane Computing in Connex Environment", invited paper at 8th Workshop on Membrane Computing (WMC8) June 25-28, 2007 Thessaloniki, Greece

2006

  • Gheorghe Ștefan: "Integral Parallel Computation", in Proceedings of the Romanian Academy, Series A: Mathematics, Physics, Technical Sciences, Information Science, vol. 7, no. 3 Sept-Dec 2006, p.233-240.
  • Gheorghe Ștefan: "A Universal Turing Machine with Zero Internal States", in Romanian Journal of Information Science and Technology, Vol. 9, no. 3, 2006, p. 227-243
  • Gheorghe Ștefan: "The CA1024: SoC with Integral Parallel Architecture for HDTV Processing", invited paper at 4th International System-on-Chip (SoC) Conference & Exhibit, November 1 & 2, 2006, Radisson Hotel Newport Beach, CA
  • Gheorghe Ștefan, Anand Sheel, Bogdan Mîțu, Tom Thomson, Dan Tomescu: "The CA1024: A Fully Programmable System-On-Chip for Cost-Effective HDTV Media Processing", in Hot Chips: A Symposium on High Performance Chips, Memorial Auditorium, Stanford University, August 20 to 22, 2006.
  • Mihaela Malița, Gheorghe Ștefan, Marius Stoian: "Complex vs. Intensive in Parallel Computation", in International Multi-Conference on Computing in the Global Information Technology - Challenges for the Next Generation of IT&C - ICCGI, 2006 Bucharest, Romania, August 1-3, 2006
  • Dominique Thiebaut, Gheorghe Ștefan, Mihaela Malița: "DNA search and the Connex technology" in International Multi-Conference on Computing in the Global Information Technology - Challenges for the Next Generation of IT&C - ICCGI, 2006 Bucharest, Romania, August 1-3, 2006
  • Gheorghe Ștefan: "The CA1024: A Massively Parallel Processor for Cost-Effective HDTV", in SPRING PROCESSOR FORUM JAPAN, June 8-9, 2006, Tokyo.
  • Gheorghe Ștefan: "The CA1024: A Massively Parallel Processor for Cost-Effective HDTV", in SPRING PROCESSOR FORUM: Power-Efficient Design, May 15-17, 2006, Doubletree Hotel, San Jose, CA.

2004

Gheorghe Stefan: "Ethos -- Pathos -- Logos. The New Old Ways of Knowledge" in Noesis XXIX, 2004. Gh. Stefan, M. Malita: "Granularity and Complexity in Parallel Systems", in Proceedings of the 15 IASTED International Conf, 2004, Marina Del Rey, CA, ISBN 0-88986-391-1, pp.442-447. Gh. Stefan: "Functia electronica = circuit & informatie" in Mihai Draganescu In Medias Res, Ed. Academiei Romane, 2004, p. 99-109. Gh. Stefan: ""Profunzimile existentei" in filosofia secolului XX" in Mihai Draganescu In Medias Res, Ed. Academiei Romane, 2004, p. 211-224 2001

Gh. Stefan: "Masina DIALISP - o realizare cu efecte intarziate" in Conferinta CALCULATOARE SI RETELE DE CALCULATOARE IN ROMANIA 1953-1985 la Academia Romana, 22 noiembrie 2001. http://www.atic.org.ro/anexe/GS.htm http://www.atic.org.ro/istoric_nou.asp?Id=1212171846 Gh. Stefan, "On Integrative Knowlwdge", in Noesis no. XXVI, 2001. Gh. Stefan, Dominique Thiebaut, "Hardware-Assisted String-Matching Algorithms", in WABI 2001, 1st Workshop on Algorithms in BioInformatics, BRICS, University of Aarhaus, Danemark, August 28-31, 2001. 2000

Gh. Stefan, "Parallel Architecturing starting from Natural Computational Models", in Proceedings of the Romanian Academy, Series A: Mathematics, Physics, Technical Sciences, Information Science, vol. 1, no. 3 Sept-Dec 2000. Gh. Stefan: "Phenomenal Becoming as the Deep Information's Interpretation", in Noesis, no. XXV, 2000. B. Mitu, Gh. Stefan, "Low-Power Oriented Microcontroller Architecture", in CAS 2000 Proceedings, Oct. 2000, Sinaia, Romania Gh. Stefan, "Homo Ludens Under the Sign of Communication", in Millenium III, vol. 4, Winter, 1999/2000 Gh. Stefan, "Pericol posibil: 'omul nou' ", in Tribuna Invatamantului, an LI, No. 523(2404), 31 Jan- 6 Feb., 2000. 1999

Gh. Stefan: "No-State Universal Turing Machine" in Fundamentals of Computation Theory, Iasi '99, 1999. Gh. Stefan, "The Complexity of Scientific Theories", in Noesis, no. XXIV, 1999, p. 55-67. Gh. Stefan, Robert Benea: "Experimente in info cu acizi nucleici", in M. Draganescu, Stefan Trausan-Matu (eds): Natura realitatii fizice si a informatiei, Editura Tempus, 1999. Denisa Stefan, Gh. Stefan, "A Procesor Network without Interconnectio Path", in CAS 99 Proceedings, Oct., 1999, Sinaia, Romania. p. 305-308. Gh. Stefan, "A Multi-Thread Approach in Order to Avoid Pipeline Penalties", in Proceedings of 12th International Conference on Control Systems and Computer Science, Vol. II, May 26-29, 1999, Bucharest, Romania. p. 157-162. 1998

Gh. Stefan, "Silicon or Molecules? What's the Best for Splicing", in Gh.Paun (ed.): Computing with Bio-Molecules. Theory and Experiments. Springer, 1998. p. 158-181 Monica Dascalu, E. Franti, Gh. Stefan: "Modeling Production with Artificial Societies: the Emergence of Social Structure", in S. Bandini, R. Serra, F. Suggi Liverani (Eds.): Cellular Automata: Research Towars Industry. ACRI '98 - Proceedings of the Third Conference on Cellular Automata for Research and Industry, Trieste, 7 - 9 October 1998, Springer Verlag, 1998. p 218 - 229. Gh. Stefan, " "Looking for the Lost Noise" ", in CAS '98 Proceedings, Oct. 6 - 10, 1998, Sinaia, Romania. p.579 - 582. Gh. Stefan, "The Connex Memory: A Physical Support for Tree / List Processing" in The Roumanian Journal of Information Science and Technology, Vol.1, Number 1, 1998, p. 85 - 104. Gh. Stefan, "S - Domain / SP - Domain Complexity" in Noesis, no. XXIII, 1998. p. 99-110. Gh. Stefan, Robert Benea, "Connex Memories & Rewriting Systems", in MELECON '98 9th Mediterranean Electrotechnical Conference, May 18-20, 1998, Tel-Aviv, Israel. p 1299-1303. M. Dascalu, E. Franti, Gh. Stefan, "Artificial Societies: a New Paradigm for Complex Systems' Modeling", in IFAC Conference on Supplemental Ways for Improving International Stability - SWIIIS '98, May 14-16, Sinaia, 1998. p.62-67. Gheorghe Stefan: "The Complexity of Scientific Theories", in KRISIS Philosophical Review no. 6/1998. p. 20-30. http://fil.unibuc.ro/krisis/krisis6/krisis6eng.html Gh. Stefan, "On Man's Triadic Unity. Twenty Eight View-Points (i.e., One) for the Next Millenium", in The 12st Century's Challenges to Anthropology, Bucuresti - Sinaia, 1998. Gh. Stefan, "Alternativa dualitate-unitate: paradox al rationalismului", in Mircea Flonta (ed.): Descartes - Leibnitz. Ascensiunea si posteritatea rationalismului clasic, Ed. Unversal Dalsi, 1998. Gh. Stefan, "Invatamantul - Instructia - Educatia", in Romania 2020, Ed. Compress, 1998. p. 62 - 84. 1997

Gh. Stefan, "Exista o constanta universala a cunoasterii. Reductionismul, ca reflectare a alternativei haos-ordine in dihotomia global-local", in Revista de filosofie, tom XLIV, no. 5, sept-oct 1997. Gh. Stefan, "Calcul , reprezentare, comunicare", in Simpozionul: Rolul invatamantului si al cercetarii stiintifice in dezvoltarea societatii informationale, Bucuresti, 28 martie, 1997, p. 54-58. Denisa Stefan, Gh. Stefan, "Bi-thread Microcontroller as Digital Signal Processor", in CAS '97 Proceedings, 1997 International Semiconductor Conference, October 7 -11, 1997, Sinaia, Romania. Gh. Stefan, Mihaela Malita, "The Splicing Mechanism and the Connex Memory", in Proceedings of the 1997 IEEE International Conference on Evolutionary Computation, Indianapolis, April 13 -16, 1997. p. 225-229. Gh. Stefan, Mihaela Malita, "DNA Computing with the Connex Memory", in RECOMB 97 First International Conference on Computational Molecular Biology. January 20 - 23, Santa Fe, New Mexico, 1997. p. 97-98. Gh. Stefan, "From Diachronicity to Synchronicity", in Romanian Journal of International Affairs, vol. 3, no. 4, 1997, p. 300-304. 1996

Gh. Stefan, "From Research to Knowledge Overtaking the Aristotelian Cut Between Theoria and Episteme", in Cybernetics and Systems. Proceeding of the Tenth International Congress, Volume 1st, Bucharest, 1996. p.205-210. Z. Hascsi, B. Mitu, M. Petre, G. Stefan, "High-Level Synthesis of an Enchanced Connex memory", in Proceedings of the International Semiconductor Conference, Sinaia, October 1996, p. 163-166. Gh Stefan, "Coerenta mentalului si formalului in experiment" in Filosofia mentalului. Intentionalitate si experiment, Ed. Stiintifica, 1996. p 293 - 307. Gh. Stefan, Mihaela Malita, "Chaitin's Toylisp on a Connex Memory Machine", in Journal of Universal Computer Science, Vol. 2, No. 5, May 28, 1996, p.410 - 426. http://www.jucs.org/jucs_2_5/chaitin_s_toylisp_on/Stefan_G.pdf Gh. Stefan, "Efortul de a recupera", in Contemporanul 25 April 1996. 1995

Gh. Stefan, "Informatica si triada spiritualitate - culturi - civilizatie", in Academica, nr.2(62), decembrie 1995. Gh. Stefan, "Experimentul in lumea formalului", in Revista de filosofie, tom XLII, nr. 4, 1995. p 387 - 391. Z. Hascsi, Gh. Stefan, "The Connex Content Addressable Memory (C2AM)" in Proceedings ot the Twenty-first European Solid-State Circuits Conference, Lille - France, 19 - 21 Sept. 1995, p.422-425. Gh. Stefan, "' I'-ul sau Informtica si alternativa civilizatie-cultura", in Revista romana de informatica si automatica, Vol.5, Nr.1, 1995. p. 99 - 104. Gh. Stefan, Mihaela Malita, "The Eco-Chip: A Physical Support for Artificial Life Systems", in Artificial Life. Grammatical Models, ed. by Gh. Paun, Black Sea University Press, Bucharest, 1995. p. 260 - 275. 1994

Gh. Stefan, "Simbol si actiune", in Revista de filosofie, tom XLI, nr. 4, July-August 1994. p. 365 - 375. 1993

Gh. Stefan, "Constientizarea limitelor in informatica", in Stapanirea complexitatii, Ed.Academiei Romane, Bucuresti, 1993. p. 186 - 191. Gh. Stefan, "Limita ca valoare", in Revista de filosofie, Tom XL. Nr. 2, March-April 1993. p. 341 - 352. 1992

Gh. Stefan, "Epistemique et theorique - une nouvelle alliance pour maitriser la complexite" in De la revolution industrielle a la revolution de l'intelligence, Institute Francais de Bucharest, June 1992. Gh. Stefan, "Teoria algoritmica a informatiei", in Academica, Nr. 5, March 1992. p. 24. Gh. Stefan, "Sansele depasirii limitelor", in Academica, Nr. 3(15), Jan.1992. p. 24, 31 Gh. Stefan, "A deduce, a construi, a educa", in Academica, Nr. 9(21), July 1992. Gh. Stefan, "Jocul - o cale spre libertate", foreword to Ion Diamandi: Cum sa realizam jocuri pe calculator?, Ed. Agni, Bucuresti, 1992. Gh. Stefan, "Blestemul limitei", in Academica, Nr. 4(16), februarie 1992. 1991

Gh. Stefan, F. Draghici, "Memory Management Unit with a Performant LRU Circuit" in Buletinul IPB, Tom LIII, Nr. 1-2, 1991. p. 89 -96. Gh. Stefan, "Inteligenta artificiala - un nou pas spre sincronizarea gandului" in Sisteme cu inteligenta artificiala, Ed. Academiei Romane, Bucuresti, 1991. p. 89 -102. Mihaela Malita, Gh. Stefan, "Sisteme experte pentru arii de porti", in Sisteme cu inteligenta artificiala, Ed. Academiei Romane, Bucuresti, 1991. p. 150 - 155. Gh. Stefan, V. Bistriceanu, A. Paun, "Catre un mod natural de implementare a LISP-ului", in Sisteme cu inteligenta artificiala, Ed. Academiei Romane, Bucuresti, 1991 (paper at Al doilea simpozion national de inteligenta artificiala, Sept. 1985). p. 218 - 224. Gh. Stefan, F. Draghici, "Memory Management Unit - a New Principle for LRU Implementation" in Proceedings of 6th Mediterranean Electrotechnical Conference, Ljubljana, Yugoslavia, May 1991. p. 989 - 992. Gh. Stefan, "Supunerea la libertate", in Tribuna invatamantului, Nr. 36, 16 Sept. 1991. Gh. Stefan, "Strategie - Reforma - Lege", in Buletinul Guvernului Romaniei, 15 Aug. 1991. 1990

Gh. Stefan, "Perspective in educatie", in Buletinul Guvernului Romaniei, 8 Nov. 1990. Gh. Stefan, "Nostalgia formalului", in Academica, nr.1, Oct. 1990. Gh. Stefan, "Triste sincronizari", in Contemporanul, 9 March 1990. 1989

Gh. Stefan, "De la electronica la grija pentru constiinta omului", in Contemporanul, 6 Oct. 1989. Gh. Stefan, "De la gandirea structurala la cea functionala in electronica", in Creativitamea stiintifica in slujba progreslui social, Ed. Politica, Bucuresti, 1989. p. 129 -146. 1988

Gh. Stefan, "Putem preciza limitele calculatoarelor?", in Contemporanul, 28 Nov. 1988. 1987

Gh. Stefan, "Ce ar putea fi electronica functionala", in Contemporanul, 10 April 1987. Gh. Stefan, "Dialectica - intre stiinta si filosofie. Partea I"), in Contemporanul, 7 Nov. 1987. 1986

Sanda Maican, V. Dinca, V. Maican, Gh. Stefan, I Maican, "Perspectivele unei structuri multiprocesor in cresterea performantelor de grafica interactiva", in CNETAC 1986 Vol 2, IPB, Bucuresti, 1986, p.85 - 88. Gh. Stefan, "Memorie conexa" in CNETAC 1986 Vol. 2, IPB, Bucuresti, 1986, p. 79 - 81. Gh. Stefan, M. Bodea, "Note de lectura la volumul lui T. Blakeslee: Proiectarea cu circuite MSI si LSI", in T. Blakeslee: Prioectarea cu circuite integrate MSI si LSI, Ed. Tehnica, Bucuresti, 1986 (translated from English by M. Bodea, M. Hancu, Gh. Stefan). p. 338 - 364. Sanda Maican, V. Dinca, I. Maican, V. Maican, D. Popescu, Gh. Stefan, "Sistem color DIAGRAM 2030, in INFOTEC 1986. V. Dinca, Gh. Stefan, "Sistem Data-Flow pentru coprocesare grafica", in INFOTEC 1986. Gh. Stefan, "Dialectica - intre stiinta si filosofie. Partea a II-a", in Contemporanul, 29 Aug. 1986. Gh. Stefan, "Logica programata", in Contemporanul, 11 July 1986. Gh. Stefan, "Calculator", in Contemporanul, 14 Feb.1986. 1985

Gh. Stefan, "Recenzia volumului Feedback Shift Registers din Lecture Notes in Computer Science", in Buletinul roman de informatica, Bucuresti, 1985. Gh. Stefan, A. Paun, "Compatibilitatea functie - structura ca mecanism al evolutiei arhitecturale", in Calculatoarele electronice ale generatiei a cincea, Ed. Academiei RSR, Bucuresti, 1985. p. 113 - 135. A. Paun, Gh. Stefan, A. Birnbaum, V. Bistriceanu, "DIALISP - experiment de structurare neconventionala a unei masini LISP", in Calculatoarele electronice ale generatiei a cincea, Ed. Academiei RSR, Bucuresti 1985. p. 160 - 165. Gh. Stefan, "Procesor", in Contemporanul, 4 Nov.1985. Gh. Stefan, "Stim ce este informatia?", in Contemporanul, 27 Sept.1985. Gh. Stefan, "Automat finit", in Contemporanul, 20 Sept.1985. Gh. Stefan, "Limba si limbaje - comunicarea om-masina", in Contemporanul, 12 July 1985. Gh. Stefan, "Circuit de memorie", in Contemporanul, 28 June1985. Gh. Stefan, "Circuit logic", in Contemporanul, 31 May 1985. Gh. Stefan, "Reprezantari binare", in Contemporanul, 29 March 1985. 1984

L. Perl, Gh. Stefan, "O incercare de implementare hardware a transformarilor grafice", in CNETAC 1984, IPB Press. Gh. Stefan, "Specificul abordarii functionale in electronica", in CNETAC 1984, IPB Press. Gh. Stefan, V. Bistriceanu, A. Paun, "Implementarea hardware a limbajelor pentru inteligenta artificiala", in CNEAC 1984, IPB Press. Gh. Stefan, A. Paun, V. Bistriceanu, A. Birnbaum, "DIALISP - a LISP Machine", in Proceedings of the ACM Symposium on LISP and Functional Programming, Austin, Texas, Aug. 1984. p. 123 - 128. Gh. Stefan, "Catre umanizarea si socializarea informaticii", in Contemporanul, 14 Sept. 1984. 1983

Gh. Stefan, "Familie de circuite LSI pentru realizarea coprocesarii numerice", in Al III-lea simpozion de microprocesoare, microcalculatoare, aplicatii, IPB Press, 1983. Sanda Maican, I. Maican, V. Maican, Gh. Stefan, "DIAGRAM 2020 - probleme legate de realizarea unui terminal grafic de pret redus", in Proc. of the CAS - ICCE, 1983. Gh. Stefan, "Structurari neechilibrate in sisteme de prelucrare a informatiei", in Inteligenta artificiala si robotica, Ed. Academiei RSR, Bucuresti, 1983. p. 129 - 140. 1982

Gh. Stefan, "Functie si structura in sistemele digitale", in CNETAC 1982, IPB Press. 1981

Sanda Maican, C. Baleanu, I. Maican, V. Maican, Gh. Stefan, D. Tomescu, "Familia de sisteme grafice DIAGRAM", in Aplicatiile calculatoarelor, Targu-Mures, 1981. 1980

Gh. Stefan, "Despre inteligenta artificiala", in Sesiune de comunicari IPB, IPB Press, aprilie 1980. 1978

I. Draghici, Gh. Stefan, "Abrevieri in electronica", in Automatica, management si calculatoare, Vol. 26, Ed. Tehnica, Bucuresti, 1978. p. 351 - 356. Sanda Maican, Gh. Stefan, C. Baleanu, B. Cocora, I. Maican, V. Maican, I. Parvulescu, "Sistem de aparate conectate la calculator prin interfata standard", in Buletinul IPB, Tom XL, nr. 4, 1978. p. 15 - 21. Sanda Maican, Gh. Stefan, "Proiectarea si minimizarea automata a sistemelor logice secventiale", in Buletinul IPB, Tom XL, Nr. 1, 1978. p. 39 - 48. 1977

Sanda Dumitrescu, Gh. Stefan, "Modelarea structurilor digitale ca sisteme cu stari finite", in Buletinul IPB, Tom XXXIX, Nr. 3, 1977. p. 59 - 68. 1976

Gh. Stefen "Definitia formala a notiunii de procesor", in Automatica, management si calculatoare, Vol. 22, Ed. Tehnica, Bucuresti, 1976. p. 279 - 284. 1975

Gh. Stefan, "Existenta sociala in perspectiva abordarii sistemice", in Revolutia socialista si revolutia stiintifico-tehnica, Ed. Politica, Bucuresti, 1975. p. 303 -309. 1974

Gh. Stefan, "Analiza determinista a generatoarelor de impulsuri cvasialeatoare", in Probleme de automatizare, Vol. 8, Ed. Academiei RSR, Bucuresti, 1974.