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From: Stefan Schmid <[log in to unmask]>
Date: Wed, 15 Apr 2020 13:36:48 +0200
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Reply-To: Stefan Schmid <[log in to unmask]>
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Dear all,

We are looking for a highly motivated and bright PhD student with a strong
expertise and interest in graph and network algorithms in particular, and
in theoretical computer science in general, to join our team around the ERC
project AdjustNet.

The goal of our research is to lay the theoretical foundations of
self-adjusting networks: networks (“graphs”) whose topology adapts toward
the workload it currently serves, in a demand-aware and online manner.
Self-adjusting networks are motivated, e.g., by distributed machine
learning applications whose traffic pattern features specific structure and
can hence be exploited and optimized for. Our vision of self-adjusting
networks is enabled by emerging optical technologies which allow us to
adjust the topology within milliseconds or even microseconds.

The vision of self-adjusting networks is similar to the vision of
self-adjusting datastructures such as splay trees, which self-optimize
themselves towards the key distribution. It is also similar to
information-theoretical concepts such as dynamic Huffman coding: codes
which adjust themselves over time.

The optimization problems underlying self-adjusting networks include topics
from online algorithms, graph spanner problems, expanders and information
theory to name a few. For a more concrete idea of the project, see also the
related papers below or our project website: https://self-adjusting.net/.

The position is at the University of Vienna, Austria, and comes with the
possibility to collaborate with the Ben Gurion University in Israel (Prof
Chen Avin), who is a project partner. If the candidate likes, it is also
possible to have a longer research stay in Israel, but this is not

To apply, please send your CV, motivation letter and reference letters to
me by email, or use the online portal at

Please do not hesitate to contact me if you have any questions.


Some related papers:

On the Complexity of Traffic Traces and Implications
Chen Avin, Manya Ghobadi, Chen Griner, and Stefan Schmid.
ACM SIGMETRICS, Boston, Massachusetts, USA, June 2020.

Demand-Aware Network Design with Minimal Congestion and Route Lengths
Chen Avin, Kaushik Mondal, and Stefan Schmid.
38th IEEE Conference on Computer Communications (INFOCOM), Paris, France,
April 2019.

Toward Demand-Aware Networking: A Theory for Self-Adjusting Networks
Chen Avin and Stefan Schmid.
ACM SIGCOMM Computer Communication Review (CCR), October 2018.

Demand-Aware Network Designs of Bounded Degree
Chen Avin, Kaushik Mondal, and Stefan Schmid.
31st International Symposium on Distributed Computing (DISC), Vienna,
Austria, October 2017.

Online Balanced Repartitioning
Chen Avin, Andreas Loukas, Maciej Pacut, and Stefan Schmid.
30th International Symposium on Distributed Computing (DISC), Paris,
France, September 2016.