2008 |
27 | EE | Lauri Hella,
Merlijn Sevenster,
Tero Tulenheimo:
Partially Ordered Connectives and Monadic Monotone Strict NP.
Journal of Logic, Language and Information 17(3): 323-344 (2008) |
26 | EE | Miguel Couceiro,
Lauri Hella,
Jari Kivelä:
Term Definable Classes of Boolean Functions and Frame Definability in Modal Logic.
Logic Journal of the IGPL 16(1): 43-73 (2008) |
2006 |
25 | EE | Lauri Hella,
Jose Maria Turull Torres:
Complete Problems for Higher Order Logics.
CSL 2006: 380-394 |
24 | EE | Lauri Hella,
Jose Maria Turull Torres:
Computing queries with higher-order logics.
Theor. Comput. Sci. 355(2): 197-214 (2006) |
2003 |
23 | EE | Lauri Hella,
Jose Maria Turull Torres:
Expressibility of Higher Order Logics.
Electr. Notes Theor. Comput. Sci. 84: (2003) |
22 | EE | Lauri Hella:
Quantifying over Quantifiers.
Electr. Notes Theor. Comput. Sci. 84: (2003) |
21 | EE | Kjell Lemström,
Lauri Hella:
Approximate pattern matching and transitive closure logics.
Theor. Comput. Sci. 1-3(299): 387-412 (2003) |
2001 |
20 | EE | Lauri Hella,
Leonid Libkin,
Juha Nurmonen,
Limsoon Wong:
Logics with aggregate operators.
J. ACM 48(4): 880-907 (2001) |
2000 |
19 | EE | Kjell Lemström,
Lauri Hella:
Approximate Pattern Matching is Expressible in Transitive Closure Logic.
LICS 2000: 157-167 |
18 | EE | Lauri Hella,
Juha Nurmonen:
Vectorization hierarchies of some graph quantifiers.
Arch. Math. Log. 39(3): 183-207 (2000) |
1999 |
17 | EE | Lauri Hella,
Leonid Libkin,
Juha Nurmonen,
Limsoon Wong:
Logics with Aggregate Operators.
LICS 1999: 35-44 |
16 | | Lauri Hella,
Leonid Libkin,
Juha Nurmonen:
Notions of Locality and Their Logical Characterizations over Finite Models.
J. Symb. Log. 64(4): 1751-1773 (1999) |
1998 |
15 | | Anuj Dawar,
Lauri Hella,
Anil Seth:
Ordering Finite Variable Types with Generalized Quantifiers.
LICS 1998: 28-43 |
14 | | Lauri Hella,
Henrik Imhof:
Enhancing Fixed Point Logic with Cardinality Quantifiers.
J. Log. Comput. 8(1): 71-86 (1998) |
13 | | Anuj Dawar,
Georg Gottlob,
Lauri Hella:
Capturing Relativized Complexity Classes without Order.
Math. Log. Q. 44: 109-122 (1998) |
1997 |
12 | | Lauri Hella,
Phokion G. Kolaitis,
Kerkko Luosto:
How to Define a Linear Order on Finite Models.
Ann. Pure Appl. Logic 87(3): 241-267 (1997) |
11 | | Lauri Hella,
Jouko A. Väänänen,
Dag Westerståhl:
Definability of Polyadic Lifts of Generalized Quantifiers.
Journal of Logic, Language and Information 6(3): 305-335 (1997) |
1996 |
10 | EE | Lauri Hella,
Phokion G. Kolaitis,
Kerkko Luosto:
Almost everywhere equivalence of logics in finite model theory.
Bulletin of Symbolic Logic 2(4): 422-443 (1996) |
9 | | Lauri Hella:
Logical Hierarchies in PTIME.
Inf. Comput. 129(1): 1-19 (1996) |
8 | | Lauri Hella,
Kerkko Luosto,
Jouko A. Väänänen:
The Hierarchy Theorem for Generalized Quantifiers.
J. Symb. Log. 61(3): 802-817 (1996) |
1995 |
7 | | Anuj Dawar,
Lauri Hella,
Phokion G. Kolaitis:
Implicit Definability and Infinitary Logic in Finite Model Theory.
ICALP 1995: 624-635 |
6 | | Anuj Dawar,
Lauri Hella:
The expressive Power of Finitely Many Generalized Quantifiers.
Inf. Comput. 123(2): 172-184 (1995) |
1994 |
5 | | Anuj Dawar,
Lauri Hella:
The Expressive Power of Finitely Many Generalized Quantifiers
LICS 1994: 20-29 |
4 | | Lauri Hella,
Phokion G. Kolaitis,
Kerkko Luosto:
How to Define a Linear Order on Finite Models
LICS 1994: 40-49 |
1992 |
3 | | Lauri Hella:
Logical Hierarchies in PTIME
LICS 1992: 360-368 |
2 | | Lauri Hella,
Kerkko Luosto:
The Beth-Closure of L(Qalpha) Is Not Finitely Generated.
J. Symb. Log. 57(2): 442-448 (1992) |
1989 |
1 | | Lauri Hella:
Definability Hierarchies of Generalized Quantifiers.
Ann. Pure Appl. Logic 43(3): 235-271 (1989) |