Artigo em revista |
- Eduardo Skapinakis; José Félix Costa. "Machines that perform measurements". Theoretical Computer Science (2022): https://doi.org/10.1016/j.tcs.2022.04.037.
10.1016/j.tcs.2022.04.037
- Beggs, Edwin; Costa, Jose Felix; Pocas, Diogo; Tucker, John V.. "AN ANALOGUE-DIGITAL CHURCH-TURING THESIS". International
Journal of Foundations of Computer Science 25 4 (2014): 373-389. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000340462400002&KeyUID=WOS:000340462400002.
10.1142/s0129054114400012
- Beggs, Edwin; Costa, Jose Felix; Tucker, John V.. "THREE FORMS OF PHYSICAL MEASUREMENT AND THEIR COMPUTABILITY". Review
of Symbolic Logic 7 4 (2014): 618-646. http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=ORCID&SrcApp=OrcidOrg&DestLinkType=FullRecord&DestApp=WOS_CPL&KeyUT=WOS:000346165100002&KeyUID=WOS:000346165100002.
10.1017/s1755020314000240
- Beggs, E.; Costa, J.F.; Poças, D.; Tucker, J.V.. "Oracles that measure thresholds: The Turing machine and the broken balance".
Journal of Logic and Computation 23 6 (2013): 1155-1181. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890412945&partnerID=MN8TOARS.
10.1093/logcom/ext047
- Costa, J.F.. "Incomputability at the foundations of physics (A study in the philosophy of science)". Journal of Logic and
Computation 23 6 (2013): 1225-1248. http://www.scopus.com/inward/record.url?eid=2-s2.0-84890325292&partnerID=MN8TOARS.
10.1093/logcom/ext048
- Beggs, E.; Costa, J.F.; Tucker, J.V.. "A natural computation model of positive relativisation". International Journal of
Unconventional Computing 10 1-2 (2013): 111-141. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887925262&partnerID=MN8TOARS.
- Costa, J.F.; Leong, R.. "The ARNN model relativises P = NP and P ¿ NP". Theoretical Computer Science 499 (2013): 2-22.
http://www.scopus.com/inward/record.url?eid=2-s2.0-84881190436&partnerID=MN8TOARS.
10.1016/j.tcs.2013.05.022
- Beggs, E.; Costa, J.F.; Poças, D.; Tucker, J.V.. "On the power of threshold measurements as Oracles". Lecture Notes in
Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 7956
LNCS (2013): 6-18. http://www.scopus.com/inward/record.url?eid=2-s2.0-84886001285&partnerID=MN8TOARS.
10.1007/978-3-642-39074-6-3
- Guerra, H.; Costa, J.F.. "Processes with infinite liveness requirements". Journal of Logic and Algebraic Programming
(2013): http://www.scopus.com/inward/record.url?eid=2-s2.0-84876074477&partnerID=MN8TOARS.
10.1016/j.jlap.2013.03.001
- Beggs, E.J.; Costa, J.F.; Tucker, J.V.. "The impact of models of a physical oracle on computational power". Mathematical
Structures in Computer Science 22 5 (2012): 853-879. http://www.scopus.com/inward/record.url?eid=2-s2.0-84866129771&partnerID=MN8TOARS.
10.1017/S0960129511000557
- Beggs, E.J.; Costa, J.F.; Tucker, J.V.. "Axiomatizing physical experiments as oracles to algorithms". Philosophical Transactions
of the Royal Society A: Mathematical, Physical and Engineering Sciences 370 1971 (2012): 3359-3384. http://www.scopus.com/inward/record.url?eid=2-s2.0-84862841835&partnerID=MN8TOARS.
10.1098/rsta.2011.0427
- Calude, C.S.; Costa, J.F.; Guerra, H.. "Preface to the Special Issue on Physics and Computation "towards a Computational Interpretation
of Physical Theories"". Applied Mathematics and Computation 219 1 (2012): 1-2. http://www.scopus.com/inward/record.url?eid=2-s2.0-84864253487&partnerID=MN8TOARS.
10.1016/j.amc.2012.07.041
- Calude, C.S.; Costa, J.F.. "Editorial". International Journal of Unconventional Computing 7 5 (2011): http://www.scopus.com/inward/record.url?eid=2-s2.0-83455213622&partnerID=MN8TOARS.
- Costa, J.F.; Dershowitz, N.. "Introduction". Natural Computing 10 4 (2011): 1215-1217. http://www.scopus.com/inward/record.url?eid=2-s2.0-84855935755&partnerID=MN8TOARS.
10.1007/s11047-011-9247-z
- Beggs, E.J.; Costa, J.F.; Tucker, J.V.. "Physical Oracles: The Turing Machine and the Wheatstone Bridge". Studia Logica
95 1 (2010): 279-300. http://www.scopus.com/inward/record.url?eid=2-s2.0-78049443316&partnerID=MN8TOARS.
10.1007/s11225-010-9254-6
- Beggs, E.J.; Costa, J.F.; Tucker, J.V.. "Limits to measurement in experiments governed by algorithms". Mathematical Structures
in Computer Science 20 6 (2010): 1019-1050. http://www.scopus.com/inward/record.url?eid=2-s2.0-79251605050&partnerID=MN8TOARS.
10.1017/S0960129510000356
- Costa, J.F.. "Computable scientists, uncomputable world". Lecture Notes in Computer Science (including subseries Lecture
Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 6079 LNCS (2010): 6-10. http://www.scopus.com/inward/record.url?eid=2-s2.0-79956326743&partnerID=MN8TOARS.
10.1007/978-3-642-13523-1_4
- Calude, C.S.; Costa, J.F.. "Preface to the Special Issue Unconventional Computing 2008". Natural Computing 9 4 (2010):
793-794. http://www.scopus.com/inward/record.url?eid=2-s2.0-78649903239&partnerID=MN8TOARS.
10.1007/s11047-010-9221-1
- Calude, C.S.; Costa, J.F.. "Applied Mathematics and Computation: Introduction". Applied Mathematics and Computation
215 4 (2009): 1309-1310. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955306231&partnerID=MN8TOARS.
10.1016/j.amc.2009.04.059
- Loff, B.; Costa, J.F.. "Five views of hypercomputation". International Journal of Unconventional Computing 5 3-4 (2009):
193-207. http://www.scopus.com/inward/record.url?eid=2-s2.0-77952501941&partnerID=MN8TOARS.
- Beggs, E.; Costa, J.F.; Loff, B.; Tucker, J.V.. "Computational complexity with experiments as oracles. II. Upper bounds".
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 465 2105 (2009): 1453-1465. http://www.scopus.com/inward/record.url?eid=2-s2.0-67149094838&partnerID=MN8TOARS.
10.1098/rspa.2008.0412
- Costa, J.F.; Loff, B.; Mycka, J.. "A foundation for real recursive function theory". Annals of Pure and Applied Logic
160 3 (2009): 255-288. http://www.scopus.com/inward/record.url?eid=2-s2.0-69249229730&partnerID=MN8TOARS.
10.1016/j.apal.2009.01.013
- Guerra, H.; Costa, J.F.. "Processes with local and global liveness requirements". Journal of Logic and Algebraic Programming
78 3 (2009): 117-137. http://www.scopus.com/inward/record.url?eid=2-s2.0-59349103219&partnerID=MN8TOARS.
10.1016/j.jlap.2008.08.003
- Calude, C.S.; Costa, J.F.. "Introduction". Natural Computing 8 3 (2009): 429-430. http://www.scopus.com/inward/record.url?eid=2-s2.0-70349157291&partnerID=MN8TOARS.
10.1007/s11047-009-9113-4
- Mycka, J.; Costa, J.F.; Coelho, F.. "The Euclid abstract machine". International Journal of Unconventional Computing
4 3 (2008): 223-247. http://www.scopus.com/inward/record.url?eid=2-s2.0-77952469985&partnerID=MN8TOARS.
- Beggs, E.; Costa, J.F.; Loff, B.; Tucker, J.. "On the complexity of measurement in classical physics". Lecture Notes in
Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4978
LNCS (2008): 20-30. http://www.scopus.com/inward/record.url?eid=2-s2.0-70349335530&partnerID=MN8TOARS.
10.1007/978-3-540-79228-4-2
- Beggs, E.; Costa, J.F.; Loff, B.; Tucker, J.V.. "Oracles and advice as measurements". Lecture Notes in Computer Science
(including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5204 LNCS (2008): 33-50.
http://www.scopus.com/inward/record.url?eid=2-s2.0-52149084813&partnerID=MN8TOARS.
10.1007/978-3-540-85194-3_6
- Beggs, E.; Costa, J.F.; Loff, B.; Tucker, J.V.. "Computational complexity with experiments as oracles". Proceedings of
the Royal Society A: Mathematical, Physical and Engineering Sciences 464 2098 (2008): 2777-2801. http://www.scopus.com/inward/record.url?eid=2-s2.0-49749083115&partnerID=MN8TOARS.
10.1098/rspa.2008.0085
- Pacheco, J.; Costa, J.F.. "The abstract immune system algorithm". Lecture Notes in Computer Science (including subseries
Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4618 LNCS (2007): 137-149. http://www.scopus.com/inward/record.url?eid=2-s2.0-38049059517&partnerID=MN8TOARS.
- Loff, B.; Costa, J.F.; Mycka, J.. "Computability on reals, infinite limits and differential equations". Applied Mathematics
and Computation 191 2 (2007): 353-371. http://www.scopus.com/inward/record.url?eid=2-s2.0-34548124674&partnerID=MN8TOARS.
10.1016/j.amc.2007.02.146
- Costa, J.F.; Loff, B.; Mycka, J.. "The new promise of analog computation". Lecture Notes in Computer Science (including
subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 4497 LNCS (2007): 189-195. http://www.scopus.com/inward/record.url?eid=2-s2.0-38149032780&partnerID=MN8TOARS.
10.1007/978-3-540-73001-9_20
- Mycka, J.; Costa, J.F.. "A new conceptual framework for analog computation". Theoretical Computer Science 374 1-3 (2007):
277-290. http://www.scopus.com/inward/record.url?eid=2-s2.0-33947372501&partnerID=MN8TOARS.
10.1016/j.tcs.2007.01.005
- Mycka, J.; Coelho, F.; Costa, J.F.. "The euclid abstract machine: Trisection of the angle and the halting problem". Lecture
Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
4135 LNCS (2006): 195-206. http://www.scopus.com/inward/record.url?eid=2-s2.0-33750018951&partnerID=MN8TOARS.
- Doria, F.A.; Costa, J.F.. "Introduction to the special issue on hypercomputation". Applied Mathematics and Computation
178 1 (2006): 1-3. http://www.scopus.com/inward/record.url?eid=2-s2.0-33745484354&partnerID=MN8TOARS.
10.1016/j.amc.2005.09.065
- Mycka, J.; Costa, J.F.. "Undecidability over continuous time". Logic Journal of the IGPL 14 5 (2006): 649-658. http://www.scopus.com/inward/record.url?eid=2-s2.0-33845708606&partnerID=MN8TOARS.
10.1093/jigpal/jzl004
- Mycka, J.; Costa, J.F.. "The computational power of continuous dynamic systems". Lecture Notes in Computer Science
3354 (2005): 164-175. http://www.scopus.com/inward/record.url?eid=2-s2.0-24144469336&partnerID=MN8TOARS.
- Mycka, J.; Costa, J.F.. "Real recursive functions and their heirarchy". Journal of Complexity 20 6 (2004): 835-857.
http://www.scopus.com/inward/record.url?eid=2-s2.0-10244239347&partnerID=MN8TOARS.
10.1016/j.jco.2004.06.001
- Neto, J.P.; Siegelmann, H.T.; Costa, J.F.. "Symbolic processing in neural networks". Journal of the Brazilian Computer
Society 8 3 (2003): 58-70. http://www.scopus.com/inward/record.url?eid=2-s2.0-18444368739&partnerID=MN8TOARS.
- Silva Graça, D.; Costa, J.F.. "Analog computers and recursive functions over the reals". Journal of Complexity 19 5
(2003): 644-664. http://www.scopus.com/inward/record.url?eid=2-s2.0-0141615048&partnerID=MN8TOARS.
10.1016/S0885-064X(03)00034-7
- Campagnolo, M.L.; Moore, C.; Costa, J.F.. "An analog characterization of the Grzegorczyk hierarchy". Journal of Complexity
18 4 (2002): 977-1000. http://www.scopus.com/inward/record.url?eid=2-s2.0-0036889222&partnerID=MN8TOARS.
10.1006/jcom.2002.0655
- Campagnolo, M.L.; Moore, C.; Costa, J.F.. "Iteration, Inequalities, and Differentiability in Analog Computers". Journal
of Complexity 16 4 (2000): 642-660. http://www.scopus.com/inward/record.url?eid=2-s2.0-0011287661&partnerID=MN8TOARS.
10.1006/jcom.2000.0559
- Menezes, P.B.; Sernadas, A.; Costa, J.F.. "Nonsequential automata semantics for a concurrent, object-based language". Electronic
Notes in Theoretical Computer Science 14 (1998): 245-273. http://www.scopus.com/inward/record.url?eid=2-s2.0-2442459312&partnerID=MN8TOARS.
10.1016/S1571-0661(05)80239-7
- Menezes, P.B.; Costa, J.F.. "Synchronization in Petri nets". Fundamenta Informaticae 26 1 (1996): 11-22. http://www.scopus.com/inward/record.url?eid=2-s2.0-0030125950&partnerID=MN8TOARS.
- Sernadas, A.; Sernadas, C.; Costa, J.F.. "Object specification logic". Journal of Logic and Computation 5 5 (1995):
603-630. http://www.scopus.com/inward/record.url?eid=2-s2.0-77957184803&partnerID=MN8TOARS.
10.1093/logcom/5.5.603
- Costa, J.F.; Sernadas, A.. "Progress assumption in concurrent systems". Formal Aspects of Computing 7 1 (1995): 18-36.
http://www.scopus.com/inward/record.url?eid=2-s2.0-34249753408&partnerID=MN8TOARS.
10.1007/BF01214621
- Costa, J.F.; Sernadas, A.; Sernadas, C.. "Object inheritance beyond subtyping". Acta Informatica 31 1 (1994): 5-26.
http://www.scopus.com/inward/record.url?eid=2-s2.0-21344491785&partnerID=MN8TOARS.
10.1007/BF01178920
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