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Structural Decompositions and Algorithms (186.856)

Course Topic

Decomposition based approaches to tackle computationally hard problems are an integral part in almost all areas of computer science and come with a wide variety of algorithmic applications. The main idea behind decomposition based techniques is to decompose a problem instance into small tractable parts, and to reassemble the solution of the parts to a solution of the entire instance. The course will provide an in-depth coverage of all aspects of the possibly two most important graph decompositions, namely tree-decompositions and clique-decompositions, with a focus on the techniques required for the design of efficient decomposition based algorithms.

Prerequisites

This course assumes prior knowledge from the following courses:
Algorithmen und Datenstrukturen 1
Algorithmen und Datenstrukturen 2
Algorithmics

Lecturers

Prof. Stefan Szeider and Dr. Sebastian Ordyniak

 

News

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    2025-12-11
    Alexander Dobler successfully defended his PhD thesis “Algorithmic Aspects of Ordering Problems in Information Visualization” on December 11, 2025. Congratulations, …Read More »
  • Herbert Fleischner (1944–2025)

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    2025-11-05
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    2025-09-26
    From September 24 to 26, the 33rd International Symposium on Graph Drawing and Network Visualization took place in Norrköping, Sweden. …Read More »
  • Second Place in the PACE Challenge for a Team of AC Group Researchers

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    2025-09-19
    The Parameterized Algorithms and Computational Experiments (PACE) Challenge takes place annually as part of the International Symposium on Parameterized and …Read More »
  • COMSOC 2025 Begins – Computational Social Choice

    COMSOC 2025 Begins – Computational Social Choice

    2025-09-17
    COMSOC 2025 Begins – Computational Social Choice September 17–19, 2025 · TU Wien, Vienna, Austria We are excited to host …Read More »

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