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Friedrich Otto

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2009
129EEDana Pardubská, Martin Plátek, Friedrich Otto: On Parallel Communicating Grammar Systems and Correctness Preserving Restarting Automata. LATA 2009: 660-671
128EEMartin Kutrib, Hartmut Messerschmidt, Friedrich Otto: On Stateless Deterministic Restarting Automata. SOFSEM 2009: 353-364
127EEHartmut Messerschmidt, Friedrich Otto: On Deterministic CD-Systems of Restarting Automata. Int. J. Found. Comput. Sci. 20(1): 185-209 (2009)
2008
126 Carlos Martín-Vide, Friedrich Otto, Henning Fernau: Language and Automata Theory and Applications, Second International Conference, LATA 2008, Tarragona, Spain, March 13-19, 2008. Revised Papers Springer 2008
125EEEtsuro Moriya, Friedrich Otto: On Alternating Phrase-Structure Grammars. LATA 2008: 397-408
124EEFriedrich Otto, Martin Plátek: A Two-Dimensional Taxonomy of Proper Languages of Lexicalized FRR-Automata. LATA 2008: 409-420
123EEHartmut Messerschmidt, Friedrich Otto: On determinism versus nondeterminism for restarting automata. Inf. Comput. 206(9-10): 1204-1218 (2008)
122EETomasz Jurdzinski, Friedrich Otto, Frantisek Mráz, Martin Plátek: On the Complexity of 2-Monotone Restarting Automata. Theory Comput. Syst. 42(4): 488-518 (2008)
2007
121EEHeiko Stamer, Friedrich Otto: Restarting Tree Automata and Linear Context-Free Tree Languages. CAI 2007: 275-289
120EEFrantisek Mráz, Martin Plátek, Friedrich Otto: A Measure for the Degree of Nondeterminism of Context-Free Languages. CIAA 2007: 192-202
119EEHartmut Messerschmidt, Friedrich Otto: Strictly Deterministic CD-Systems of Restarting Automata. FCT 2007: 424-434
118EEFrantisek Mráz, Friedrich Otto, Martin Plátek: Hierarchical Relaxations of the Correctness Preserving Property for Restarting Automata. MCU 2007: 230-241
117EEHeiko Stamer, Friedrich Otto: Restarting Tree Automata. SOFSEM (1) 2007: 510-521
116EEEtsuro Moriya, Friedrich Otto: Two Ways of Introducing Alternation into Context-Free Grammars and Pushdown Automata. IEICE Transactions 90-D(6): 889-894 (2007)
115EETomasz Jurdzinski, Friedrich Otto: Shrinking Restarting Automata. Int. J. Found. Comput. Sci. 18(2): 361-385 (2007)
114EEHartmut Messerschmidt, Friedrich Otto: Cooperating Distributed Systems of Restarting Automata. Int. J. Found. Comput. Sci. 18(6): 1333-1342 (2007)
2006
113EEHartmut Messerschmidt, Frantisek Mráz, Friedrich Otto, Martin Plátek: Correctness Preservation and Complexity of Simple RL-Automata. CIAA 2006: 162-172
112EEHartmut Messerschmidt, Friedrich Otto: On Nonforgetting Restarting Automata That Are Deterministic and/or Monotone. CSR 2006: 247-258
111EEFrantisek Mráz, Friedrich Otto, Martin Plátek: On the Gap-Complexity of Simple RL-Automata. Developments in Language Theory 2006: 83-94
110EEFrantisek Mráz, Friedrich Otto, Martin Plátek: Learning Analysis by Reduction from Positive Data. ICGI 2006: 125-136
109EEFriedrich Otto: Restarting Automata. Recent Advances in Formal Languages and Applications 2006: 269-303
108EETomasz Jurdzinski, Friedrich Otto: Restarting automata with restricted utilization of auxiliary symbols. Theor. Comput. Sci. 363(2): 162-181 (2006)
107EEFrantisek Mráz, Friedrich Otto, Martin Plátek, Tomasz Jurdzinski: Marcus t-contextual grammars and cut hierarchies and monotonicity for restarting automata. Theor. Comput. Sci. 366(3): 272-296 (2006)
106EETomasz Jurdzinski, Frantisek Mráz, Friedrich Otto, Martin Plátek: Degrees of non-monotonicity for restarting automata. Theor. Comput. Sci. 369(1-3): 1-34 (2006)
2005
105EETomasz Jurdzinski, Friedrich Otto: Restricting the Use of Auxiliary Symbols for Restarting Automata. CIAA 2005: 176-187
104EETomasz Jurdzinski, Frantisek Mráz, Friedrich Otto, Martin Plátek: Monotone Deterministic RL-Automata Don't Need Auxiliary Symbols. Developments in Language Theory 2005: 284-295
103EEMarkus Holzer, Friedrich Otto: Shrinking Multi-pushdown Automata. FCT 2005: 305-316
102EETomasz Jurdzinski, Friedrich Otto: Shrinking Restarting Automata. MFCS 2005: 532-543
101EETomasz Jurdzinski, Friedrich Otto, Frantisek Mráz, Martin Plátek: Deterministic Two-Way Restarting Automata and Marcus Contextual Grammars. Fundam. Inform. 64(1-4): 217-228 (2005)
100EEGundula Niemann, Friedrich Otto: The Church-Rosser languages are the deterministic variants of the growing context-sensitive languages. Inf. Comput. 197(1-2): 1-21 (2005)
99EEEtsuro Moriya, Dieter Hofbauer, Maria Huber, Friedrich Otto: On state-alternating context-free grammars. Theor. Comput. Sci. 337(1-3): 183-216 (2005)
2004
98EETomasz Jurdzinski, Friedrich Otto, Frantisek Mráz, Martin Plátek: On the Complexity of 2-Monotone Restarting Automata. Developments in Language Theory 2004: 237-248
97EETomasz Jurdzinski, Friedrich Otto, Frantisek Mráz, Martin Plátek: On Left-Monotone Deterministic Restarting Automata. Developments in Language Theory 2004: 249-260
96EEFriedrich Otto, Olga Sokratova: Reduction relations for monoid semirings. J. Symb. Comput. 37(3): 343-376 (2004)
95 Friedrich Otto: Some Results on RWW- and RRWW-Automata and their Relation to the Class of Growing Context-Sensitive Languages. Journal of Automata, Languages and Combinatorics 9(4): 407-437 (2004)
2003
94EEFriedrich Otto: Restarting Automata and Their Relations to the Chomsky Hierarchy. Developments in Language Theory 2003: 55-74
93 Gundula Niemann, Friedrich Otto: Church-Rosser Languages and Their Relationship to Other Language Classes. Grammars and Automata for String Processing 2003: 295-304
92EEMasashi Katsura, Yuji Kobayashi, Friedrich Otto: Undecidable properties of monoids with word problem solvable in linear time. Part II-- cross sections and homological and homotopical finiteness conditions. Theor. Comput. Sci. 1-3(301): 79-101 (2003)
91 Martin Beaudry, Markus Holzer, Gundula Niemann, Friedrich Otto: McNaughton families of languages. Theor. Comput. Sci. 290(3): 1581-1628 (2003)
2002
90EEYuji Kobayashi, Friedrich Otto: Some Exact Sequences for The Homotopy (Bi-)Module af A Monoid. IJAC 12(1-2): 247-283 (2002)
89 Robert Cremanns, Friedrich Otto: A Completion Procedure for Finitely Presented Groups That Is Based on Word Cycles. J. Autom. Reasoning 28(3): 235-256 (2002)
2001
88EEMartin Beaudry, Markus Holzer, Gundula Niemann, Friedrich Otto: On the Relationship between the McNaughton Families of Languages and the Chomsky Hierarchy. Developments in Language Theory 2001: 340-348
87 Gundula Niemann, Friedrich Otto: On the Power of RRWW-Automata. Words, Semigroups, and Transductions 2001: 341-355
86EEYuji Kobayashi, Friedrich Otto: On Homotopical and Homological Finiteness Conditions for Finitely Presented Monoids. IJAC 11(3): 391-403 (2001)
85 Friedrich Otto, Nikola Ruskuc: Confluent Monadic String-Rewriting Systems and Automatic Structures. Journal of Automata, Languages and Combinatorics 6(3): 375-388 (2001)
2000
84EEMasashi Katsura, Yuji Kobayashi, Friedrich Otto: Undecidability Results for Monoids with Linear-Time Decidable Word Problems. ISAAC 2000: 278-289
83 Gundula Niemann, Friedrich Otto: Confluent Internal Contextual Languages. Recent Topics in Mathematical and Computational Linguistics 2000: 234-244
82EEFriedrich Otto, Andrea Sattler-Klein: The Property Fdt is Undecidable for Finitely Presented Monoids that Have Polynomial-Time Decidable Word Problems. IJAC 10(3): 285-308 (2000)
81 Friedrich Otto: On Dehn Functions of Finitely Presented Bi-Automatic Monoids. Journal of Automata, Languages and Combinatorics 5(4): 405-420 (2000)
80EEYuji Kobayashi, Friedrich Otto: Repetitiveness of languages generated by morphisms. Theor. Comput. Sci. 240(2): 337-378 (2000)
1999
79EEFriedrich Otto: On S-Regular Prefix-Rewriting Systems and Automatic Structures. COCOON 1999: 422-431
78 Gundula Niemann, Friedrich Otto: Restarting automata, Church-Rosser languages, and representations of r.e. languages. Developments in Language Theory 1999: 103-114
77EEFriedrich Otto: On the Connections between Rewriting and Formal Language Theory. RTA 1999: 332-355
1998
76EEGundula Niemann, Friedrich Otto: The Church-Rosser Languages Are the Deterministic Variants of the Growing Context-Sensitive Languages. FoSSaCS 1998: 243-257
75EEFriedrich Otto, Andrea Sattler-Klein, Klaus Madlener: Automatic Monoids Versus Monoids with Finite Convergent Presentations. RTA 1998: 32-46
74 Gerhard Buntrock, Friedrich Otto: Growing Context-Sensitive Languages and Church-Rosser Languages. Inf. Comput. 141(1): 1-36 (1998)
73 Friedrich Otto, Masashi Katsura, Yuji Kobayashi: Infinite Convergent String-Rewriting Systems and Cross-Sections for Finitely Presented Monoids. J. Symb. Comput. 26(5): 621-648 (1998)
72EEFriedrich Otto, Paliath Narendran, Daniel J. Dougherty: Equational Unification, Word Unification, and 2nd-Order Equational Unification. Theor. Comput. Sci. 198(1-2): 1-47 (1998)
71EEFriedrich Otto: Some Undecidability Results Concerning the Property of Preserving Regularity. Theor. Comput. Sci. 207(1): 43-72 (1998)
1997
70 Friedrich Otto, Yuji Kobayashi: Properties of Monoids That Are Presented by Finite Convergent String-Rewriting Systems - A Survey. Advances in Algorithms, Languages, and Complexity 1997: 225-266
69 Yuji Kobayashi, Friedrich Otto, Patrice Séébold: A Complete Characterization of Repetitive Morphisms over the Two-Letter Alphabet. COCOON 1997: 393-402
68 Friedrich Otto, Andrea Sattler-Klein: FDT is Undecidable for Finitely Presented Monoids with Solvable Word Problems. FCT 1997: 388-399
67 Paliath Narendran, Friedrich Otto: The Word Matching Problem Is Undecidable For Finite Special String-Rewriting Systems That Are Confluent. ICALP 1997: 638-648
66 Yuji Kobayashi, Friedrich Otto: Repetitiveness of D0L-Languages Is Decidable in Polynomial Time. MFCS 1997: 337-346
65 Friedrich Otto, Masashi Katsura, Yuji Kobayashi: Cross-Sections for Finitely Presented Monoids with Decidable Word Problems. RTA 1997: 53-67
64 Friedrich Otto: On the Property of Preserving Regularity for String-Rewriting Systems. RTA 1997: 83-97
63 Klaus Madlener, Friedrich Otto: Some Undecidability Results for Finitely Generated Thue Congruences on aTwo-Letter Alphabet. Fundam. Inform. 30(1): 31-44 (1997)
62 Paliath Narendran, Friedrich Otto: Single Versus Simultaneous Equational Unification and Equational Unification for Variable-Permuting Theories. J. Autom. Reasoning 19(1): 87-115 (1997)
1996
61 Robert Cremanns, Friedrich Otto: For Groups the Property of Having Finite Derivation Type is Equivalent to the Homological Finiteness Condition FP_3. J. Symb. Comput. 22(2): 155-177 (1996)
1995
60 Friedrich Otto, Paliath Narendran, Daniel J. Dougherty: Some Independent Results for Equational Unification. RTA 1995: 367-381
59 Gerhard Buntrock, Friedrich Otto: Growing Context-Sensitive Languages and Church-Rosser Languages. STACS 1995: 313-324
58EEFriedrich Otto: Solvability of Word Equations Modulo Finite Special and Confluent String-Rewriting Systems is Undecidable in General. Inf. Process. Lett. 53(5): 237-242 (1995)
57 Friedrich Otto: On Confluence Versus Strong Confluence for One-Rule Trace-Rewriting Systems. Mathematical Systems Theory 28(4): 363-384 (1995)
1994
56EERobert Cremanns, Friedrich Otto: Constructing Canonical Presentations for Subgroups of Context-Free Groups in Polynomial Time (extended abstract). ISSAC 1994: 147-153
55 Norbert Kuhn, Klaus Madlener, Friedrich Otto: Computing Presentations for Subgroups of Polycyclic Groups and of Context-Free Groups. Appl. Algebra Eng. Commun. Comput. 5: 287-316 (1994)
54 Robert Cremanns, Friedrich Otto: Finite Derivation Type Implies the Homological Finiteness Condition FP_3. J. Symb. Comput. 18(2): 91-112 (1994)
53 Craig C. Squier, Friedrich Otto, Yuji Kobayashi: A Finiteness Condition for Rewriting Systems. Theor. Comput. Sci. 131(2): 271-294 (1994)
52 Friedrich Otto, Paliath Narendran: Codes Modulo Finite Monadic String-Rewriting Systems. Theor. Comput. Sci. 134(1): 175-188 (1994)
1993
51 Klaus Madlener, Andrea Sattler-Klein, Friedrich Otto: On the Problem of Generating Small Convergent Systems. J. Symb. Comput. 16(2): 167-187 (1993)
50 Friedrich Otto, Daniel E. Cohen, Klaus Madlener: Separating the Intrinsic Complexity and the Derivational complexity of the Word Problem for Finitely Presented Groups. Math. Log. Q. 39: 143-157 (1993)
49 Klaus Madlener, Paliath Narendran, Friedrich Otto, Louxin Zhang: On Weakly Confluent Monadic String-Rewriting Systems. Theor. Comput. Sci. 113(1): 119-165 (1993)
1992
48 Klaus Madlener, Friedrich Otto, Andrea Sattler-Klein: Generating Small Convergent Systems Can Be Extremely Hard. ISAAC 1992: 299-308
47EENorbert Kuhn, Klaus Madlener, Friedrich Otto: Computing Presentations for Subgroups of Context-Free Groups. ISSAC 1992: 240-250
46 Celia Wrathall, Volker Diekert, Friedrich Otto: One-Rule Trace-Rewriting Systems and Confluence. MFCS 1992: 511-521
45 Friedrich Otto: The Problem of Deciding Confluence on a Given Congruence Class is Tractable for Finite Special String-Rewriting Systems. Mathematical Systems Theory 25(4): 241-251 (1992)
1991
44 Friedrich Otto: Some Undecidability Results for Weakly Confluent Monadic String-Rewriting Systems. AAECC 1991: 292-303
43 Klaus Madlener, Paliath Narendran, Friedrich Otto: A Specialized Completion Procedure for Monadic String-Rewriting Systems Presenting Groups. ICALP 1991: 279-290
42 Klaus Madlener, Friedrich Otto: Decidable Sentences for Context-Free Groups. STACS 1991: 160-171
41 Friedrich Otto, Louxin Zhang: Decision Problems for Finite Special String-Rewriting Systems that are Confluent on Some Congruence Class. Acta Inf. 28(5): 477 (1991)
40 Friedrich Otto: Completing a Finite Special String-Rewriting System on the Congruence Class of the Empty Word. Appl. Algebra Eng. Commun. Comput. 2: 257-274 (1991)
39EEPaliath Narendran, Colm Ó'Dúnlaing, Friedrich Otto: It is undecidable whether a finite special string-rewriting system presents a group. Discrete Mathematics 98(2): 153-159 (1991)
38 Friedrich Otto, Celia Wrathall: Overlaps in Free Partially Commutative Monoids. J. Comput. Syst. Sci. 42(2): 186-198 (1991)
37 Friedrich Otto: When is an Extension of a Specification Consistent? Decidable and Undecidable Cases. J. Symb. Comput. 12(3): 255-274 (1991)
1990
36 Paliath Narendran, Friedrich Otto: Some Results on Equational Unification. CADE 1990: 276-291
35EENorbert Kuhn, Klaus Madlener, Friedrich Otto: A Test for lambda-Confluence for Certain Prefix Rewriting Systems with Applications to the Generalized Word Problem. ISSAC 1990: 8-15
34 Deepak Kapur, Paliath Narendran, Friedrich Otto: On Ground-Confluence of Term Rewriting Systems Inf. Comput. 86(1): 14-31 (1990)
1989
33 Friedrich Otto: Restrictions of Congruence Generated by Finite Canonical String-Rewriting Systems. RTA 1989: 359-370
32 Friedrich Otto: On Deciding Confluence of Finite String-Rewriting Systems Modulo Partial Commutativity. Theor. Comput. Sci. 67(1): 19-35 (1989)
31 Klaus Madlener, Friedrich Otto: About the Descriptive Power of Certain Classes of Finite String-Rewriting Systems. Theor. Comput. Sci. 67(2&3): 143-172 (1989)
30 Paliath Narendran, Friedrich Otto: Some Polynomial-Time Algorithms for Finite Monadic Church-Rosser Thue Systems. Theor. Comput. Sci. 68(3): 319-332 (1989)
1988
29 Paliath Narendran, Friedrich Otto: Elements of Finite Order for Finite Weight-Reducing and Confluent Thue Systems. Acta Inf. 25(5): 573-591 (1988)
28EEFriedrich Otto: An example of a one-relator group that is not a one-relation monoid. Discrete Mathematics 69(1): 101-103 (1988)
27 Klaus Madlener, Friedrich Otto: Commutativity in Groups Presented By Finite Church-Rosser Thue Systems. ITA 22(1): 93-111 (1988)
26 Paliath Narendran, Friedrich Otto: Preperfectness is Undecidable for Thue Systems Containing Only Length-Reducing Rules and a Single Commutation Rule. Inf. Process. Lett. 29(3): 125-130 (1988)
25EERobert McNaughton, Paliath Narendran, Friedrich Otto: Church-Rosser Thue systems and formal languages. J. ACM 35(2): 324-344 (1988)
24 Klaus Madlener, Friedrich Otto: Pseudo-Natural Algorithms for Finitely Generated Presentations of Monoids and Groups. J. Symb. Comput. 5(3): 339-358 (1988)
1987
23 Paliath Narendran, Friedrich Otto: It is Decidable in Polynomial Time Whether a Monoid Presented by a Finite Weight-Reducing and Confluent Thue System is Torsion-Free. AAECC 1987: 341-349
22 Klaus Madlener, Friedrich Otto: Groups Presented by Certain Classes of Finite Length-Reducing String-Rewriting Systems. RTA 1987: 133-144
21 Friedrich Otto: Some Results about Confluence on a Given Congruence Class. RTA 1987: 145-155
20 Craig C. Squier, Friedrich Otto: Th Word Problem for Finitely Presented Monoids and Finite Canonical Rewriting Systems. RTA 1987: 74-82
19 Klaus Madlener, Friedrich Otto: Using String-Rewriting for Solving the Word Problem for Finitely Presented Groups. Inf. Process. Lett. 24(5): 281-284 (1987)
18 Friedrich Otto: On Deciding the Confluence of a Finite String-Rewriting System on a Given Congruence Class. J. Comput. Syst. Sci. 35(3): 285-310 (1987)
17 Friedrich Otto: Finite Canonical Rewriting Systems for Congruences Generated by Concurrency Relations. Mathematical Systems Theory 20(4): 253-260 (1987)
1986
16 Friedrich Otto: On Deciding Whether a Monoid is a Free Monoid or is a Group. Acta Inf. 23(1): 99-110 (1986)
15 Friedrich Otto: Church-Rosser Thue Systems that Present Free Monoids. SIAM J. Comput. 15(3): 786-792 (1986)
14 Friedrich Otto: The Undecidability of Self-Embedding for Finite Semi-Thue and Thue Systems. Theor. Comput. Sci. 47(3): 225-232 (1986)
13 Paliath Narendran, Friedrich Otto: The Problems of Cyclic Equality and Conjugacy for Finite Complete Rewriting Systems. Theor. Comput. Sci. 47(3): 27-38 (1986)
1985
12EERonald V. Book, Friedrich Otto: The Verifiability of Two-Party Protocols. EUROCRYPT 1985: 254-260
11 Friedrich Otto: Deciding Algebraic Properties of Monoids Presented by Finite Church-Rosser Thue Systems. RTA 1985: 95-106
10 Ronald V. Book, Friedrich Otto: Cancellation Rules and Extended Word Problems. Inf. Process. Lett. 20(1): 5-11 (1985)
9 Klaus Madlener, Friedrich Otto: Pseudo-Natural Algorithms for the Word Problem for Finitely Presented Monoids and Groups. J. Symb. Comput. 1(4): 383-418 (1985)
8 Friedrich Otto, Celia Wrathall: A Note on Thue Systems with a Single Defining Relation. Mathematical Systems Theory 18(2): 135-143 (1985)
7 Paliath Narendran, Friedrich Otto: Complexity Results on the Conjugacy Problem for Monoids. Theor. Comput. Sci. 35: 227-243 (1985)
6 Ronald V. Book, Friedrich Otto: On the Security of Name-Stamp Protocols. Theor. Comput. Sci. 39: 319-325 (1985)
5 Ronald V. Book, Friedrich Otto: On the Verifiability of Two-Party Algebraic Protocols. Theor. Comput. Sci. 40: 101-130 (1985)
1984
4 G. Bauer, Friedrich Otto: Finite Complete Rewriting Systems and the Complexity of the Word Problem. Acta Inf. 21: 521-540 (1984)
3 Paliath Narendran, Friedrich Otto, Karl Winklmann: The Uniform Conjugacy Problem for Finite Church-Rosser Thue Systems is NP-Complete Information and Control 63(1/2): 58-66 (1984)
2 Friedrich Otto: Finite Complete Rewriting Systems for the Jantzen Monoid and the Greendlinger Group. Theor. Comput. Sci. 32: 249-260 (1984)
1 Friedrich Otto: Some Undecidability Results for Non-Monadic Church-Rosser Thue Systems. Theor. Comput. Sci. 33: 261-278 (1984)

Coauthor Index

1G. Bauer [4]
2Martin Beaudry [88] [91]
3Ronald V. Book [5] [6] [10] [12]
4Gerhard Buntrock [59] [74]
5Daniel E. Cohen [50]
6Robert Cremanns [54] [56] [61] [89]
7Volker Diekert [46]
8Daniel J. Dougherty [60] [72]
9Henning Fernau [126]
10Dieter Hofbauer [99]
11Markus Holzer [88] [91] [103]
12Maria Huber [99]
13Tomasz Jurdzinski [97] [98] [101] [102] [104] [105] [106] [107] [108] [115] [122]
14Deepak Kapur [34]
15Masashi Katsura [65] [73] [84] [92]
16Yuji Kobayashi [53] [65] [66] [69] [70] [73] [80] [84] [86] [90] [92]
17Norbert Kuhn [35] [47] [55]
18Martin Kutrib [128]
19Klaus Madlener [9] [19] [22] [24] [27] [31] [35] [42] [43] [47] [48] [49] [50] [51] [55] [63] [75]
20Carlos Martín-Vide [126]
21Robert McNaughton [25]
22Hartmut Messerschmidt [112] [113] [114] [119] [123] [127] [128]
23Etsuro Moriya [99] [116] [125]
24Frantisek Mráz [97] [98] [101] [104] [106] [107] [110] [111] [113] [118] [120] [122]
25Paliath Narendran [3] [7] [13] [23] [25] [26] [29] [30] [34] [36] [39] [43] [49] [52] [60] [62] [67] [72]
26Gundula Niemann [76] [78] [83] [87] [88] [91] [93] [100]
27Colm Ó'Dúnlaing [39]
28Dana Pardubská [129]
29Martin Plátek [97] [98] [101] [104] [106] [107] [110] [111] [113] [118] [120] [122] [124] [129]
30Nikola Ruskuc [85]
31Andrea Sattler-Klein [48] [51] [68] [75] [82]
32Patrice Séébold [69]
33Olga Sokratova [96]
34Craig C. Squier [20] [53]
35Heiko Stamer [117] [121]
36Karl Winklmann [3]
37Celia Wrathall [8] [38] [46]
38Louxin Zhang [41] [49]

Colors in the list of coauthors

Copyright © Sun May 17 03:24:02 2009 by Michael Ley (ley@uni-trier.de)