2009 |
118 | EE | Yo-Sub Han,
Kai Salomaa,
Sheng Yu:
State Complexity of Combined Operations for Prefix-Free Regular Languages.
LATA 2009: 398-409 |
2008 |
117 | EE | Arto Salomaa,
Kai Salomaa,
Sheng Yu:
Length Codes, Products of Languages and Primality.
LATA 2008: 476-486 |
116 | EE | Daowen Qiu,
Sheng Yu:
Hierarchy and equivalence of multi-letter quantum finite automata
CoRR abs/0812.0852: (2008) |
115 | EE | Xiangfeng Luo,
Ning Fang,
Weimin Xu,
Sheng Yu,
Kai Yan,
Huizhe Xiao:
Experimental study on the extraction and distribution of textual domain keywords.
Concurrency and Computation: Practice and Experience 20(16): 1917-1932 (2008) |
114 | EE | Yuan Gao,
Kai Salomaa,
Sheng Yu:
The State Complexity of Two Combined Operations: Star of Catenation and Star of Reversal.
Fundam. Inform. 83(1-2): 75-89 (2008) |
113 | EE | Guangwu Liu,
Carlos Martín-Vide,
Arto Salomaa,
Sheng Yu:
State complexity of basic language operations combined with reversal.
Inf. Comput. 206(9-10): 1178-1186 (2008) |
2007 |
112 | EE | Kai Salomaa,
Sheng Yu,
Jinfeng Zan:
Deterministic Caterpillar Expressions.
CIAA 2007: 97-108 |
111 | EE | Stavros Konstantinidis,
Nicolae Santean,
Sheng Yu:
Representation and uniformization of algebraic transductions.
Acta Inf. 43(6): 395-417 (2007) |
110 | EE | Stavros Konstantinidis,
Nicolae Santean,
Sheng Yu:
Fuzzification of Rational and Recognizable Sets.
Fundam. Inform. 76(4): 413-447 (2007) |
109 | EE | Kai Salomaa,
Sheng Yu:
On the State Complexity of Combined Operations and their Estimation.
Int. J. Found. Comput. Sci. 18(4): 683-698 (2007) |
108 | EE | Sheng Yu,
Qing Zhao:
Sc-Expressions in Object-Oriented Languages.
Int. J. Found. Comput. Sci. 18(6): 1441-1452 (2007) |
107 | | Cezar Câmpeanu,
Nicolae Santean,
Sheng Yu:
A Family of NFAs Free of State Reductions.
Journal of Automata, Languages and Combinatorics 12(1-2): 69-78 (2007) |
106 | EE | Yo-Sub Han,
Arto Salomaa,
Kai Salomaa,
Derick Wood,
Sheng Yu:
On the existence of prime decompositions.
Theor. Comput. Sci. 376(1-2): 60-69 (2007) |
105 | EE | Arto Salomaa,
Kai Salomaa,
Sheng Yu:
State complexity of combined operations.
Theor. Comput. Sci. 383(2-3): 140-152 (2007) |
2006 |
104 | EE | Sheng Yu:
On the State Complexity of Combined Operations.
CIAA 2006: 11-22 |
103 | EE | Nicolae Santean,
Sheng Yu:
On Weakly Ambiguous Finite Transducers.
Developments in Language Theory 2006: 156-167 |
102 | EE | Xiangfeng Luo,
Ning Fang,
Weimin Xu,
Sheng Yu,
Kai Yan,
Huizhe Xiao:
Experiments Study for Scientific Texts Domain Keyword Acquisition.
SKG 2006: 45 |
101 | EE | Nicolae Santean,
Sheng Yu:
Nondeterministic Bimachines and Rational Relations with Finite Codomain.
Fundam. Inform. 73(1-2): 237-264 (2006) |
100 | EE | Arto Salomaa,
Sheng Yu:
Subword conditions and subword histories.
Inf. Comput. 204(12): 1741-1755 (2006) |
2005 |
99 | EE | Lucian Ilie,
Roberto Solis-Oba,
Sheng Yu:
Reducing the Size of NFAs by Using Equivalences and Preorders.
CPM 2005: 310-321 |
98 | | Haitong Xu,
Sheng Yu:
Adding States into Object Types.
PLC 2005: 101-107 |
97 | EE | Sheng Yu:
State Complexity: Recent Results and Open Problems.
Fundam. Inform. 64(1-4): 471-480 (2005) |
96 | EE | Kai Salomaa,
Sheng Yu:
Preface.
Int. J. Found. Comput. Sci. 16(3): 399-401 (2005) |
95 | EE | Cezar Câmpeanu,
Nicolae Santean,
Sheng Yu:
Mergible states in large NFA.
Theor. Comput. Sci. 330(1): 23-34 (2005) |
2004 |
94 | | Michael Domaratzki,
Alexander Okhotin,
Kai Salomaa,
Sheng Yu:
Implementation and Application of Automata, 9th International Conference, CIAA 2004, Kingston, Canada, July 22-24, 2004, Revised Selected Papers
Springer 2004 |
93 | | Sheng Yu,
Qing Zhao:
Process Traces With the Option Operation.
PDPTA 2004: 750-755 |
92 | EE | Lucian Ilie,
Gonzalo Navarro,
Sheng Yu:
On NFA Reductions.
Theory Is Forever 2004: 112-124 |
91 | EE | Cezar Câmpeanu,
Sheng Yu:
Pattern expressions and pattern automata.
Inf. Process. Lett. 92(6): 267-274 (2004) |
90 | EE | Lucian Ilie,
Sheng Yu,
Kaizhong Zhang:
Word Complexity And Repetitions In Words.
Int. J. Found. Comput. Sci. 15(1): 41-55 (2004) |
89 | EE | Alexandru Mateescu,
Arto Salomaa,
Sheng Yu:
Subword histories and Parikh matrices.
J. Comput. Syst. Sci. 68(1): 1-21 (2004) |
88 | EE | Arto Salomaa,
Derick Wood,
Sheng Yu:
On the state complexity of reversals of regular languages.
Theor. Comput. Sci. 320(2-3): 315-329 (2004) |
2003 |
87 | | Lucian Ilie,
Sheng Yu,
Qing Zhao:
Introduction to Process Traces.
PDPTA 2003: 1706-1712 |
86 | EE | Lucian Ilie,
Baozhen Shan,
Sheng Yu:
Fast Algorithms for Extended Regular Expression Matching and Searching.
STACS 2003: 179-190 |
85 | EE | Lucian Ilie,
Sheng Yu:
Follow automata.
Inf. Comput. 186(1): 140-162 (2003) |
84 | EE | Cezar Câmpeanu,
Kai Salomaa,
Sheng Yu:
A Formal Study Of Practical Regular Expressions.
Int. J. Found. Comput. Sci. 14(6): 1007-1018 (2003) |
83 | EE | Lucian Ilie,
Sheng Yu:
Reducing NFAs by invariant equivalences.
Theor. Comput. Sci. 306(1-3): 373-390 (2003) |
2002 |
82 | EE | Cezar Câmpeanu,
Kai Salomaa,
Sheng Yu:
Regex and Extended Regex.
CIAA 2002: 77-84 |
81 | EE | Lucian Ilie,
Sheng Yu,
Kaizhong Zhang:
Repetition Complexity of Words.
COCOON 2002: 320-329 |
80 | EE | Lucian Ilie,
Sheng Yu:
Constructing NFA s by Optimal Use of Positions in Regular Expressions.
CPM 2002: 279-288 |
79 | EE | Lucian Ilie,
Sheng Yu:
Algorithms for Computing Small NFAs.
MFCS 2002: 328-340 |
78 | EE | Alexandru Mateescu,
Arto Salomaa,
Sheng Yu:
Factorizations of Languages and Commutativity Conditions.
Acta Cybern. 15(3): 339-351 (2002) |
77 | | Sheng Yu:
State Complexity of Finite and Infinite Regular Languages.
Bulletin of the EATCS 76: 142-152 (2002) |
76 | | Gheorghe Paun,
Nicolae Santean,
Gabriel Thierrin,
Sheng Yu:
On the robustness of primitive words.
Discrete Applied Mathematics 117(1-3): 239-252 (2002) |
75 | EE | Sheng Yu:
Implementation and Application of Automata - Editor's Foreword.
Int. J. Found. Comput. Sci. 13(1): 1-3 (2002) |
74 | EE | Cezar Câmpeanu,
Andrei Paun,
Sheng Yu:
An Efficient Algorithm for Constructing Minimal Cover Automata for Finite Languages.
Int. J. Found. Comput. Sci. 13(1): 83-97 (2002) |
73 | EE | Cristian Calude,
Kai Salomaa,
Sheng Yu:
Advances and Trends in Automata and Formal Languages A Collection of Papers in Honour of the 60th Birthday of Helmut Jürgensen - J.UCS Special Issue.
J. UCS 8(2): 117-118 (2002) |
72 | EE | Cristian Calude,
Kai Salomaa,
Sheng Yu:
Additive Distances and Quasi-Distances Between Words.
J. UCS 8(2): 141-152 (2002) |
71 | | Cezar Câmpeanu,
Kai Salomaa,
Sheng Yu:
Tight Lower Bound for the State Complexity of Shuffle of Regular Languages.
Journal of Automata, Languages and Combinatorics 7(3): 303-310 (2002) |
70 | EE | Kai Salomaa,
Sheng Yu:
Decidability of EDT0L structural equivalence.
Theor. Comput. Sci. 276(1-2): 245-259 (2002) |
2001 |
69 | | Sheng Yu,
Andrei Paun:
Implementation and Application of Automata, 5th International Conference, CIAA 2000, London, Ontario, Canada, July 24-25, 2000, Revised Papers
Springer 2001 |
68 | | Masami Ito,
Gheorghe Paun,
Sheng Yu:
Words, Semigroups, and Transductions - Festschrift in Honor of Gabriel Thierrin
World Scientific 2001 |
67 | EE | Michael Domaratzki,
Jeffrey Shallit,
Sheng Yu:
Minimal Covers of Formal Languages.
Developments in Language Theory 2001: 319-329 |
66 | EE | Jürgen Dassow,
Gheorghe Paun,
Gabriel Thierrin,
Sheng Yu:
Tree-systems of morphisms.
Acta Inf. 38(2): 131-153 (2001) |
65 | EE | Alexandru Mateescu,
Arto Salomaa,
Kai Salomaa,
Sheng Yu:
A sharpening of the Parikh mapping.
ITA 35(6): 551-564 (2001) |
64 | | Sheng Yu:
State Complexity of Regular Languages.
Journal of Automata, Languages and Combinatorics 6(2): 221- (2001) |
63 | | Markus Holzer,
Kai Salomaa,
Sheng Yu:
On the State Complexity of k-Entry Deterministic Finite Automata.
Journal of Automata, Languages and Combinatorics 6(4): 453-466 (2001) |
62 | | Sheng Yu:
Class-is-type is inadequate for object reuse.
SIGPLAN Notices 36(6): 50-59 (2001) |
61 | EE | Cezar Câmpeanu,
Nicolae Santean,
Sheng Yu:
Minimal cover-automata for finite languages.
Theor. Comput. Sci. 267(1-2): 3-16 (2001) |
2000 |
60 | | Arto Salomaa,
Derick Wood,
Sheng Yu:
A Half-Century of Automata Theory: Celebration and Inspiration
World Scientific 2000 |
59 | EE | Andrei Paun,
Nicolae Santean,
Sheng Yu:
An O(n2) Algorithm for Constructing Minimal Cover Automata for Finite Languages.
CIAA 2000: 243-251 |
58 | | Alexandru Mateescu,
Kai Salomaa,
Sheng Yu:
On Fairness of Many-Dimensional Trajectories.
Journal of Automata, Languages and Combinatorics 5(2): 145-158 (2000) |
57 | EE | Kai Salomaa,
Xiuming Wu,
Sheng Yu:
Efficient Implementation of Regular Languages Using Reversed Alternating Finite Automata.
Theor. Comput. Sci. 231(1): 103-111 (2000) |
56 | EE | Lila Kari,
Greg Gloor,
Sheng Yu:
Using DNA to solve the Bounded Post Correspondence Problem.
Theor. Comput. Sci. 231(2): 193-203 (2000) |
55 | EE | Kai Salomaa,
Sheng Yu:
Alternating finite automata and star-free languages.
Theor. Comput. Sci. 234(1-2): 167-176 (2000) |
1999 |
54 | | Arto Salomaa,
Sheng Yu:
On the decomposition of finite languages.
Developments in Language Theory 1999: 22-31 |
53 | | Kai Salomaa,
Sheng Yu:
Synchronization Expressions: Characterization Results and Implementation.
Jewels are Forever 1999: 45-56 |
52 | EE | Cristian Calude,
Kai Salomaa,
Sheng Yu:
Metric Lexical Analysis.
WIA 1999: 48-59 |
51 | EE | Cezar Câmpeanu,
Karel Culik II,
Kai Salomaa,
Sheng Yu:
State Complexity of Basic Operations on Finite Languages.
WIA 1999: 60-70 |
50 | EE | Kai Salomaa,
Sheng Yu:
Generalized Fairness and Context-Free Languages.
Acta Cybern. 14(1): 193-204 (1999) |
49 | | Gheorghe Paun,
Sheng Yu:
On Synchronization in P Systems.
Fundam. Inform. 38(4): 397-410 (1999) |
48 | | Greg Gloor,
Lila Kari,
Michelle Gaasenbeek,
Sheng Yu:
Towards a DNA Solution to the Shortest Common Superstring Problem.
International Journal on Artificial Intelligence Tools 8(4): 385-400 (1999) |
47 | EE | Kai Salomaa,
Sheng Yu:
Synchronization Expressions and Languages.
J. UCS 5(9): 610-621 (1999) |
1998 |
46 | | Derick Wood,
Sheng Yu:
Automata Implementation, Second International Workshop on Implementing Automata, WIA '97, London, Ontario, Canada, September 18-20, 1997, Revised Papers
Springer 1998 |
45 | | Lila Kari,
Greg Gloor,
Sheng Yu:
Using DNA to solve the Bounded Post Correspondence Problem.
MCU (1) 1998: 51-65 |
44 | EE | Jin Ma,
Sheng Yu:
Practical Rules for Reduction on the Number of States of a State Diagram.
TOOLS (26) 1998: 46- |
43 | EE | Cezar Câmpeanu,
Nicolae Santean,
Sheng Yu:
Minimal Cover-Automata for Finite Languages.
Workshop on Implementing Automata 1998: 43-56 |
42 | EE | Sandra Huerter,
Kai Salomaa,
Xiuming Wu,
Sheng Yu:
Implementing Reversed Alternating Finite Automaton (r-AFA) Operations.
Workshop on Implementing Automata 1998: 69-81 |
41 | EE | Lila Kari,
Gheorghe Paun,
Grzegorz Rozenberg,
Arto Salomaa,
Sheng Yu:
DNA Computing, Sticker Systems, and Universality.
Acta Inf. 35(5): 401-420 (1998) |
40 | EE | Kai Salomaa,
Sheng Yu:
Synchronization Expressions with Extended Join Operation.
Theor. Comput. Sci. 207(1): 73-88 (1998) |
1997 |
39 | | Darrell R. Raymond,
Derick Wood,
Sheng Yu:
Automata Implementation, First International Workshop on Implementing Automata, WIA '96, London, Ontario, Canada, August 29-31, 1996, Revised Papers
Springer 1997 |
38 | | Alexandru Mateescu,
Kai Salomaa,
Sheng Yu:
Decidability of fairness for context-free languages.
Developments in Language Theory 1997: 351-364 |
37 | | Kai Salomaa,
Sheng Yu:
Rewriting Rules for Synchronization Languages.
Structures in Logic and Computer Science 1997: 322-338 |
36 | | Kai Salomaa,
Xiuming Wu,
Sheng Yu:
Efficient Implementation of Regular Languages Using R-AFA.
Workshop on Implementing Automata 1997: 176-184 |
35 | EE | Cristian Calude,
Sheng Yu:
Language-theoretic Complexity of Disjunctive Sequences.
Discrete Applied Mathematics 80(2-3): 203-209 (1997) |
34 | | Kai Salomaa,
Sheng Yu:
NFA to DFA Transformation for Finite Languages over Arbitrary Alphabets.
Journal of Automata, Languages and Combinatorics 2(3): 177-186 (1997) |
1996 |
33 | | Kai Salomaa,
Sheng Yu:
NFA to DFA Transformation for Finite Languages.
Workshop on Implementing Automata 1996: 149-158 |
32 | | L. Guo,
Kai Salomaa,
Sheng Yu:
On Synchronization Languages.
Fundam. Inform. 25(3): 423-436 (1996) |
31 | EE | Kai Salomaa,
Derick Wood,
Sheng Yu:
Structural Equivalence and ET0L Grammars.
Theor. Comput. Sci. 164(1&2): 123-140 (1996) |
1995 |
30 | | Kai Salomaa,
Sheng Yu:
Nondeterminism Degrees for Context-Free Languages.
Developments in Language Theory 1995: 154-165 |
29 | | Kai Salomaa,
Derick Wood,
Sheng Yu:
Complexity of E0L Structural Equivalence.
ITA 29(6): 471-485 (1995) |
28 | | Alexandru Mateescu,
Arto Salomaa,
Kai Salomaa,
Sheng Yu:
P, NP and the Post Correspondence Problem
Inf. Comput. 121(2): 135-142 (1995) |
27 | | Tao Jiang,
Arto Salomaa,
Kai Salomaa,
Sheng Yu:
Decision Problems for Patterns.
J. Comput. Syst. Sci. 50(1): 53-63 (1995) |
26 | EE | Alexandru Mateescu,
Arto Salomaa,
Kai Salomaa,
Sheng Yu:
Lexical Analysis with a Simple Finite-Fuzzy-Automaton Model.
J. UCS 1(5): 292-311 (1995) |
1994 |
25 | | Kai Salomaa,
Derick Wood,
Sheng Yu:
Complexity of E0L Structural Equivalence.
MFCS 1994: 587-596 |
24 | | Kai Salomaa,
Derick Wood,
Sheng Yu:
Rediscovering Pushdown Machines.
Results and Trends in Theoretical Computer Science 1994: 372-385 |
23 | EE | Per Enflo,
Andrew Granville,
Jeffrey Shallit,
Sheng Yu:
on Sparse Languages L such that LL = Sigma.
Discrete Applied Mathematics 52(3): 275-285 (1994) |
22 | | Kai Salomaa,
Derick Wood,
Sheng Yu:
Pumping and Pushdown Machines.
ITA 28(3-4): 221-232 (1994) |
21 | | Kai Salomaa,
Sheng Yu:
Measures of Nondeterminism for Pushdown Automata.
J. Comput. Syst. Sci. 49(2): 362-374 (1994) |
20 | | Sheng Yu,
Qingyu Zhuang,
Kai Salomaa:
The State Complexities of Some Basic Operations on Regular Languages.
Theor. Comput. Sci. 125(2): 315-328 (1994) |
19 | | Helmut Jürgensen,
Kai Salomaa,
Sheng Yu:
Transducers and the Decidability of Independence in Free Monoids.
Theor. Comput. Sci. 134(1): 107-117 (1994) |
1993 |
18 | | Kai Salomaa,
Derick Wood,
Sheng Yu:
Structural Equivalences and ET0L Grammars (Extended Abstract).
FCT 1993: 430-439 |
17 | | Tao Jiang,
Arto Salomaa,
Kai Salomaa,
Sheng Yu:
Inclusion is Undecidable for Pattern Languages.
ICALP 1993: 301-312 |
16 | | Kai Salomaa,
Sheng Yu:
Morphisms and rational tranducers.
Bulletin of the EATCS 50: 186-193 (1993) |
15 | | Helmut Jürgensen,
Kai Salomaa,
Sheng Yu:
Decidability of the Intercode Property.
Elektronische Informationsverarbeitung und Kybernetik 29(6): 375-380 (1993) |
1992 |
14 | | Sheng Yu,
Qingyu Zhuang,
Kai Salomaa:
Obtaining Tight Upper Bounds for the State Complexities of DFA Operations.
ICCI 1992: 100-104 |
13 | | Andrew Szilard,
Sheng Yu,
Kaizhong Zhang,
Jeffrey Shallit:
Characterizing Regular Languages with Polynomial Densities.
MFCS 1992: 494-503 |
1991 |
12 | | Kai Salomaa,
Sheng Yu:
Degrees of Nondeterminism for Pushdown Automata.
FCT 1991: 380-389 |
11 | | R. Govindarajan,
Sheng Yu:
Data Flow Implementation of Generalized Guarded Commands.
PARLE (1) 1991: 372-389 |
10 | | Arto Salomaa,
Kai Salomaa,
Sheng Yu:
Primary Types of Instances of the Post Correspondence Problem.
Bulletin of the EATCS 44: 226-241 (1991) |
9 | EE | Karel Culik II,
Sheng Yu:
Cellular automata, omegaomega-regular sets, and sofic systems.
Discrete Applied Mathematics 32(2): 85-101 (1991) |
8 | | Kai Salomaa,
Sheng Yu:
Decidability of Structural Equivalence of E0L Grammars.
Theor. Comput. Sci. 82(1): 131-139 (1991) |
1990 |
7 | | Kai Salomaa,
Sheng Yu:
The Immortality Problem for LAG Systems.
Inf. Process. Lett. 36(6): 311-315 (1990) |
1989 |
6 | | Karel Culik II,
Jan K. Pachl,
Sheng Yu:
On the Limit Sets of Cellular Automata.
SIAM J. Comput. 18(4): 831-842 (1989) |
1988 |
5 | EE | Sheng Yu:
Can the catenation of two weakly sparse languages be dense?
Discrete Applied Mathematics 20(3): 265-267 (1988) |
1986 |
4 | | Efim B. Kinber,
Arto Salomaa,
Sheng Yu:
On the equivalence of grammars inferred from derivation.
Bulletin of the EATCS 29: 39-45 (1986) |
3 | | Karel Culik II,
Sheng Yu:
Real-Time, Pseudo Real-Time, and Linear-Time ITA.
Theor. Comput. Sci. 47(3): 15-26 (1986) |
1985 |
2 | | Karel Culik II,
Sheng Yu:
Translation of Systolic Algorithms between Systems of Different Topology.
ICPP 1985: 756-763 |
1984 |
1 | | Karel Culik II,
Sheng Yu:
Iterative Tree Automata.
Theor. Comput. Sci. 32: 227-247 (1984) |