| Records |
| Author |
Tronci, Enrico |
| Title |
Equational Programming in lambda-calculus |
Type |
Conference Article |
| Year |
1991 |
Publication |
Sixth Annual IEEE Symposium on Logic in Computer Science (LICS) |
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Issue |
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Pages |
191-202 |
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IEEE Computer Society |
Place of Publication |
Amsterdam, The Netherlands |
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Approved  |
yes |
| Call Number |
Sapienza @ mari @ lics91 |
Serial |
58 |
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| Author |
Böhm, Corrado; Tronci, Enrico |
| Title |
About Systems of Equations, X-Separability, and Left-Invertibility in the lambda-Calculus |
Type |
Journal Article |
| Year |
1991 |
Publication |
Inf. Comput. |
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| Volume |
90 |
Issue |
1 |
Pages |
1-32 |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ infcomp91 |
Serial |
59 |
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| Author |
Piperno, Adolfo; Tronci, Enrico |
| Title |
Regular Systems of Equations in λ-calculus |
Type |
Journal Article |
| Year |
1990 |
Publication |
Int. J. Found. Comput. Sci. |
Abbreviated Journal |
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| Volume |
1 |
Issue |
3 |
Pages |
325-340 |
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| Abstract |
Many problems arising in equational theories like Lambda-calculus and Combinatory Logic can be expressed by combinatory equations or systems of equations. However, the solvability problem for an arbitrarily given class of systems is in general undecidable. In this paper we shall focus our attention on a decidable class of systems, which will be called regular systems, and we shall analyse some classical problems and well-known properties of Lambda-calculus that can be described and solved by means of regular systems. The significance of such class will be emphasized showing that for slight extensions of it the solvability problem turns out to be undecidable. |
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yes |
| Call Number |
Sapienza @ mari @ ijfcs90 |
Serial |
60 |
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| Author |
Piperno, Adolfo; Tronci, Enrico |
| Title |
Regular Systems of Equations in λ-calculus |
Type |
Conference Article |
| Year |
1989 |
Publication |
Ictcs |
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| Abstract |
Many problems arising in equational theories like Lambda-calculus and Combinatory Logic can be expressed by combinatory equations or systems of equations. However, the solvability problem for an arbitrarily given class of systems is in general undecidable. In this paper we shall focus our attention on a decidable class of systems, which will be called regular systems, and we shall analyse some classical problems and well-known properties of Lambda-calculus that can be described and solved by means of regular systems. The significance of such class will be emphasized showing that for slight extensions of it the solvability problem turns out to be undecidable. |
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Place of Publication |
Mantova - Italy |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ ictcs89 |
Serial |
61 |
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| Author |
Böhm, Corrado; Piperno, Adolfo; Tronci, Enrico |
| Title |
Solving Equations in λ-calculus |
Type |
Conference Article |
| Year |
1989 |
Publication |
Proc. of: Logic Colloquium 88 |
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Place of Publication |
Padova - Italy |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ logic-colloquium-88 |
Serial |
62 |
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| Author |
Böhm, Corrado; Tronci, Enrico |
| Title |
X-Separability and Left-Invertibility in lambda-calculus |
Type |
Conference Article |
| Year |
1987 |
Publication |
Symposium on Logic in Computer Science (LICS) |
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Issue |
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Pages |
320-328 |
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IEEE Computer Society |
Place of Publication |
Ithaca, New York, USA |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ lics87 |
Serial |
63 |
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| Author |
Böhm, Corrado; Tronci, Enrico |
| Title |
X-separability and left-invertibility in the λ-calculus (extended abstract, invited paper) |
Type |
Conference Article |
| Year |
1987 |
Publication |
Proceedings of: Temi e prospettive della Logica e della Filosofia della Scienza contemporanea |
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Place of Publication |
Cesena - Italy |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ cesena87 |
Serial |
64 |
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| Author |
Bobbio, Andrea; Bologna, Sandro; Minichino, Michele; Ciancamerla, Ester; Incalcaterra, Piero; Kropp, Corrado; Tronci, Enrico |
| Title |
Advanced techniques for safety analysis applied to the gas turbine control system of Icaro co generative plant |
Type |
Conference Article |
| Year |
2001 |
Publication |
X Convegno Tecnologie e Sistemi Energetici Complessi |
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Pages |
339-350 |
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The paper describes two complementary and integrable approaches, a probabilistic one and a deterministic one, based on classic and advanced modelling techniques for safety analysis of complex computer based systems. The probabilistic approach is based on classical and innovative probabilistic analysis methods. The deterministic approach is based on formal verification methods. Such approaches are applied to the gas turbine control system of ICARO co generative plant, in operation at ENEA CR Casaccia. The main difference between the two approaches, behind the underlining different theories, is that the probabilistic one addresses the control system by itself, as the set of sensors, processing units and actuators, while the deterministic one also includes the behaviour of the equipment under control which interacts with the control system. The final aim of the research, documented in this paper, is to explore an innovative method which put the probabilistic and deterministic approaches in a strong relation to overcome the drawbacks of their isolated, selective and fragmented use which can lead to inconsistencies in the evaluation results. |
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Genova, Italy |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ tesec01 |
Serial |
65 |
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| Author |
Tronci, Enrico |
| Title |
On Computing Optimal Controllers for Finite State Systems |
Type |
Conference Article |
| Year |
1997 |
Publication |
CDC '97: Proceedings of the 36th IEEE International Conference on Decision and Control |
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Pages |
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| Publisher |
IEEE Computer Society |
Place of Publication |
Washington, DC, USA |
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Approved |
yes |
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Sapienza @ mari @ cdc97 |
Serial |
66 |
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| Author |
Tronci, Enrico |
| Title |
Optimal Finite State Supervisory Control |
Type |
Conference Article |
| Year |
1996 |
Publication |
CDC '96: Proceedings of the 35th IEEE International Conference on Decision and Control |
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Supervisory Controllers are Discrete Event Dynamic Systems (DEDSs) forming the discrete core of a Hybrid Control System. We address the problem of automatic synthesis of Optimal Finite State Supervisory Controllers (OSCs). We show that Boolean First Order Logic (BFOL) and Binary Decision Diagrams (BDDs) are an effective methodological and practical framework for Optimal Finite State Supervisory Control. Using BFOL programs (i.e. systems of boolean functional equations) and BDDs we give a symbolic (i.e. BDD based) algorithm for automatic synthesis of OSCs. Our OSC synthesis algorithm can handle arbitrary sets of final states as well as plant transition relations containing loops and uncontrollable events (e.g. failures). We report on experimental results on the use of our OSC synthesis algorithm to synthesize a C program implementing a minimum fuel OSC for two autonomous vehicles moving on a 4 x 4 grid. |
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IEEE Computer Society |
Place of Publication |
Washington, DC, USA |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ cdc96 |
Serial |
67 |
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