Andries P. J. van der Walt

Publication Activity (10 Years)

Years Active: 1971-2013
Publications (10 Years): 0

Top Topics

Expressive Power

Uniformly Distributed

Contextual Information

Top Venues

Theor. Comput. Sci.

Publications

Sigrid Ewert, Andries P. J. van der Walt
Necessary conditions for subclasses of random context languages. Theor. Comput. Sci. 475 (2013)
Frank Drewes, Christine du Toit, Sigrid Ewert, Brink van der Merwe, Andries P. J. van der Walt
Bag Context Tree Grammars. Fundam. Informaticae 86 (4) (2008)
Frank Drewes, Christine du Toit, Sigrid Ewert, Brink van der Merwe, Andries P. J. van der Walt
Bag Context Tree Grammars. Developments in Language Theory (2006)
Frank Drewes, Christine du Toit, Sigrid Ewert, Johanna Högberg, Brink van der Merwe, Andries P. J. van der Walt
Random context tree grammars and tree transducers. South Afr. Comput. J. 34 (2005)
Andries P. J. van der Walt, Sigrid Ewert
A property of random context picture grammars. Theor. Comput. Sci. 301 (1-3) (2003)
Sigrid Ewert, Andries P. J. van der Walt
The Power and Limitations of Random Context. Grammars and Automata for String Processing (2003)
Sigrid Ewert, Andries P. J. van der Walt
A pumping lemma for random permitting context languages. Theor. Comput. Sci. 270 (1-2) (2002)
Andries P. J. van der Walt, Sigrid Ewert
A shrinking lemma for random forbidding context languages. Theor. Comput. Sci. 237 (1-2) (2000)
Sigrid Ewert, Andries P. J. van der Walt
Generating Pictures Using Random Permitting Context. Int. J. Pattern Recognit. Artif. Intell. 13 (3) (1999)
Sigrid Ewert, Andries P. J. van der Walt
A Hierarchy Result for Random Forbidding Context Picture Grammars. Int. J. Pattern Recognit. Artif. Intell. 13 (7) (1999)
Sigrid Ewert, Andries P. J. van der Walt
Shrink Indecomposable Fractals. J. Univers. Comput. Sci. 5 (9) (1999)
Sigrid Ewert, Andries P. J. van der Walt
Generating Pictures Using Random Forbidding Context. Int. J. Pattern Recognit. Artif. Intell. 12 (7) (1998)
Andries P. J. van der Walt
Locally Linear Families of Languages Inf. Control. 32 (1) (1976)
Andries P. J. van der Walt
Random Context Languages. IFIP Congress (1) (1971)