| Records |
| Author |
Tronci, Enrico |
| Title |
Defining Data Structures via Böhm-Out |
Type |
Journal Article |
| Year |
1995 |
Publication |
J. Funct. Program. |
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| Volume |
5 |
Issue |
1 |
Pages |
51-64 |
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| Abstract |
We show that any recursively enumerable subset of a data structure can be regarded as the solution set to a B??hm-out problem. |
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yes |
| Call Number |
Sapienza @ mari @ jfp95 |
Serial |
57 |
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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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yes |
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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. |
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| Volume |
1 |
Issue |
3 |
Pages |
325-340 |
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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 |
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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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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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Mantova - Italy |
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yes |
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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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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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320-328 |
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IEEE Computer Society |
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Ithaca, New York, USA |
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Approved |
yes |
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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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Cesena - Italy |
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Approved |
yes |
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Sapienza @ mari @ cesena87 |
Serial |
64 |
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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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IEEE Computer Society |
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Washington, DC, USA |
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yes |
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Sapienza @ mari @ cdc97 |
Serial |
66 |
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| Author |
Tronci, Enrico |
| Title |
Optimal Finite State Supervisory Control |
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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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yes |
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Sapienza @ mari @ cdc96 |
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67 |
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| Author |
Intrigila, Benedetto; Magazzeni, Daniele; Melatti, Igor; Tronci, Enrico |
| Title |
A Model Checking Technique for the Verification of Fuzzy Control Systems |
Type |
Conference Article |
| Year |
2005 |
Publication |
CIMCA '05: Proceedings of the International Conference on Computational Intelligence for Modelling, Control and Automation and International Conference on Intelligent Agents, Web Technologies and Internet Commerce Vol-1 (CIMCA-IAWTIC'06) |
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Pages |
536-542 |
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Fuzzy control is well known as a powerful technique for designing and realizing control systems. However, statistical evidence for their correct behavior may be not enough, even when it is based on a large number of samplings. In order to provide a more systematic verification process, the cell-to-cell mapping technology has been used in a number of cases as a verification tool for fuzzy control systems and, more recently, to assess their optimality and robustness. However, cell-to-cell mapping is typically limited in the number of cells it can explore. To overcome this limitation, in this paper we show how model checking techniques may be instead used to verify the correct behavior of a fuzzy control system. To this end, we use a modified version of theMurphi verifier, which ease the modeling phase by allowing to use finite precision real numbers and external C functions. In this way, also already designed simulators may be used for the verification phase. With respect to the cell mapping technique, our approach appears to be complementary; indeed, it explores a much larger number of states, at the cost of being less informative on the global dynamic of the system. |
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IEEE Computer Society |
Place of Publication |
Washington, DC, USA |
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0-7695-2504-0-01 |
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Approved |
yes |
| Call Number |
Sapienza @ mari @ Immt05 |
Serial |
75 |
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