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Data center applications require the network to be scalable and bandwidth-rich. Current data center network architectures often use rigid topologies to increase network bandwidth. A major limitation is that they can hardly support…

Networking and Internet Architecture · Computer Science 2017-11-23 Ye Yu , Chen Qian

We analyze fading relay networks, where a single-antenna source-destination terminal pair communicates through a set of half-duplex single-antenna relays using a two-hop protocol with linear processing at the relay level. A family of…

Information Theory · Computer Science 2016-08-14 Cemal Akçaba , Patrick Kuppinger , Helmut Bölcskei

Dragonfly is a deep reinforcement learning library focused on modularity, in order to ease experimentation and developments. It relies on a json serialization that allows to swap building blocks and perform parameter sweep, while minimizing…

Machine Learning · Computer Science 2025-07-29 Jonathan Viquerat , Paul Garnier , Amirhossein Bateni , Elie Hachem

Software-defined networking (SDN) eases network management by centralizing the control plane and separating it from the data plane. The separation of planes in SDN, however, introduces new vulnerabilities in SDN networks since the…

Cryptography and Security · Computer Science 2015-12-22 Heng Cui , Ghassan O. Karame , Felix Klaedtke , Roberto Bifulco

We study multi-stream transmission in the $K \times N \times K$ channel with interfering relay nodes, consisting of $K$ multi-antenna source--destination (S--D) pairs and $N$ single-antenna half-duplex relay nodes between the S--D pairs. We…

Information Theory · Computer Science 2018-10-09 Huifa Lin , Won-Yong Shin , Bang Chul Jung

Wireless networks with multiple nodes that relay information from a source to a destination are expected to be deployed in many applications. Therefore, understanding their design and performance under practical constraints is important. In…

Information Theory · Computer Science 2010-01-22 Bama Muthuramalingam , Srikrishna Bhashyam , Andrew Thangaraj

One of the most demanding challenges for the designers of parallel computing architectures is to deliver an efficient network infrastructure providing low latency, high bandwidth communications while preserving scalability. Besides off-chip…

Mutant knots, in the sense of Conway, are known to share the same Homfly polynomial. Their 2-string satellites also share the same Homfly polynomial, but in general their m-string satellites can have different Homfly polynomials for m>2. We…

Geometric Topology · Mathematics 2009-03-31 H. R. Morton

In this paper, we present a full dynamical model of a four-winged micro ornithopter inspired by a dragonfly-type insect. The micro ornithopter is modeled as four articulated rigid body components (wings) connected to the main body via…

Systems and Control · Electrical Eng. & Systems 2023-04-06 Oussama Sifour , Soulaimane Berkane , Abdelhamid Tayebi

Phylogenetic networks are a generalization of phylogenetic trees that allow for representation of reticulate evolution. Recently, a space of unrooted phylogenetic networks was introduced, where such a network is a connected graph in which…

Populations and Evolution · Quantitative Biology 2017-03-09 Andrew Francis , Katharina Huber , Vincent Moulton , Taoyang Wu

Transformers achieve state-of-the-art results across many tasks, but their uniform application of quadratic self-attention to every token at every layer makes them computationally expensive. We introduce DTRNet (Dynamic Token Routing…

We propose a Distributed and Collaborative Monitoring system, DCM, with the following properties. First, DCM allow switches to collaboratively achieve flow monitoring tasks and balance measurement load. Second, DCM is able to perform…

Networking and Internet Architecture · Computer Science 2016-08-22 Ye Yu , Qian Chen , Xin Li

A butterfly network consists of logarithmically many layers, each with a linear number of non-zero weights (pre-specified). The fast Johnson-Lindenstrauss transform (FJLT) can be represented as a butterfly network followed by a projection…

Machine Learning · Computer Science 2021-07-06 Nir Ailon , Omer Leibovich , Vineet Nair

We consider random networks whose dynamics is described by a rate equation, with transition rates $w_{nm}$ that form a symmetric matrix. The long time evolution of the system is characterized by a diffusion coefficient $D$. In one dimension…

Statistical Mechanics · Physics 2012-12-04 Yaron de Leeuw , Doron Cohen

This paper considers an interference network composed of K half-duplex single-antenna pairs of users who wish to establish bi-directional communication with the aid of a multi-input-multi-output (MIMO) half-duplex relay node. This channel…

Information Theory · Computer Science 2009-01-20 Hassan Ghozlan , Yahya Mohasseb , Hesham El Gamal , Gerhard Kramer

We present a distributed data structure, which we call the rainbow skip graph. To our knowledge, this is the first peer-to-peer data structure that simultaneously achieves high fault tolerance, constant-sized nodes, and fast update and…

Data Structures and Algorithms · Computer Science 2009-05-15 Michael T. Goodrich , Michael J. Nelson , Jonathan Z. Sun

Butterflies, or 4-cycles in bipartite graphs, are crucial for identifying cohesive structures and dense subgraphs. While agent-based data mining is gaining prominence, its application to bipartite networks remains relatively unexplored. We…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-06-24 Prabhat Kumar Chand , Apurba Das , Anisur Rahaman Molla

Entanglement distribution in quantum networks will enable next-generation technologies for quantum-secured communications, distributed quantum computing and sensing. Future quantum networks will require dense connectivity, allowing multiple…

A symmetric butterfly network (BFN) with a full-duplex relay operating in a bi-directional fashion for feedback is considered. This network is relevant for a variety of wireless networks, including cellular systems dealing with cell-edge…

Information Theory · Computer Science 2012-07-30 Anas Chaaban , Aydin Sezgin , Daniela Tuninetti

We introduce a high-performance cost-effective network topology called Slim Fly that approaches the theoretically optimal network diameter. Slim Fly is based on graphs that approximate the solution to the degree-diameter problem. We analyze…

Networking and Internet Architecture · Computer Science 2020-07-01 Maciej Besta , Torsten Hoefler