Christoph Berkholz
Ich bin Doktorand von Martin Grohe und Mitarbeiter im DFG-Projekt "Schaltkreiskomplexität, parametrische Komplexität und logische Definierbarkeit".
Forschungsinteressen
Logik, parametrische Komplexität, Schaltkreiskomplexität, Beweiskomplexität
Publikationen
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Tight Lower and Upper Bounds for the Complexity of Canonical Colour Refinement
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joint work with Paul Bonsma and Martin Grohe
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Preprint: Available upon request.
- Conference version: Proceedings of the 21st Annual European Symposium on Algorithms (ESA 2013), Lecture Notes in Computer Science 8125, pp.145-156, 2013.
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Bounds for the quantifier depth in finite-variable logics: Alternation hierarchy
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joint work with Andreas Krebs and Oleg Verbitsky
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Preprint: CoRR, vol. abs/1212.2747, 2013.
- Conference version: Proceedings of the 22nd EACSL Annual Conference on Computer Science Logic (CSL'13), pp.61-80, 2013.
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On the speed of constraint propagation and the time complexity of arc consistency testing
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joint work with Oleg Verbitsky
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Preprint: CoRR, vol. abs/1303.7077, 2012.
- Conference version: Proceedings of the 38th International Symposium on Mathematical Foundations of Computer Science (MFCS '13), Lecture Notes in Computer Science Volume 8087, pp.159-170, 2013.
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On the Complexity of Finding Narrow Proofs
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Preprint: CoRR, vol. abs/1204.0775, 2012.
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Conference version: Proceedings of the 53th IEEE Symposium on Foundations of Computer Science (FOCS'12), pp.351-360, 2012.
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Lower Bounds for Existential Pebble Games and k-Consistency Tests
- Journal version: Logical Methods in Computer Science (LMCS), Volume 9, Issue 4, 2013.
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Conference version: Proceedings of the 27th IEEE Symposium on Logic in Computer Science (LICS'12), pp.25-34, 2012.
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Über die Schaltkreiskomplexität parametrisierter Probleme
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Diplomarbeit: Humboldt-Universität zu Berlin, 2010.
Lehre
- Wintersemester 2013/14
- Seminar Berechnungsmodelle für "Big Data"
- Sommersemester 2013
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Übung zur Vorlesung Theory of Constraint Satisfaction Problems
- Wintersemester 2012/2013
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Seminar über Logik und Komplexität