Activities

Sep 2020

14 Sep

Thesis defense : "Malliavin calculus and Dirichlet structures for independent random variables"

14/09/2020    
2:00 pm-5:00 pm
Hélène Halconruy
In a pioneer work from 1976, Paul Malliavin lays the foundations for an infinite-dimensional stochastic calculus of variations. Initially developed on the Wiener space, the [...]
09 Sep

Interns' talks: (1) Monitoring as a service for IoT networks and (2) Structured and interactive summarization

09/09/2020    
2:00 pm-3:00 pm
Pooneh Mokariasl & Mélanie Cambus
Two interns from LINCS will present their works at this LINCS seminar: 1) Pooneh Mokariasl (Nokia Bell Labs / Sorbonne Université): Monitoring as a service [...]
09 Sep

Quantum Internet

09/09/2020    
11:00 am-12:00 pm
Ludovic Noirie
IRTF is the research part of the IETF, producing Internet Drafts and Requests For Comments on topics that are still in the research phase. The [...]

Jul 2020

15 Jul

Contact process on point processes, part II

15/07/2020    
11:00 am-12:00 pm
François Baccelli
I will first review some results on the contact process on graphs. I will then describe ongoing research on this type of dynamics on random [...]
01 Jul

"Clean Code" from Robert Martin

01/07/2020    
11:00 am-12:00 pm
Élie de Panafieu
What is the difference between "good" and "bad" code? What gain is there to expect from turning to clean code? I know how to code [...]

Jun 2020

25 Jun

Models and Solutions of Strategic Resource Allocation Problems: Approximate Equilibrium and Online Learning in Blotto Games

25/06/2020    
2:00 pm-4:00 pm
Dong Quan VU
In this thesis, we investigate resource allocation games, broadly defined as resource allocation problems involving interactions between competitive decision makers. We primarily focus on the [...]
24 Jun

Contact process on point processes, part I

24/06/2020    
11:00 am-12:00 pm
François Baccelli
I will first review some results on the contact process on graphs. I will then describe ongoing research on this type of dynamics on random [...]
17 Jun

Characterizing the Expressive Power of Invariant and Equivariant Graph Neural Networks

17/06/2020    
2:00 pm-3:00 pm
Marc Lelarge
Various classes of Graph Neural Networks (GNN) have been proposed and shown to be successful in a wide range of applications with graph structured data. [...]
17 Jun

Introduction to Pygame

17/06/2020    
11:00 am-12:00 pm
François Durand
Pygame is a Python package that wraps the SDL library. SDL (Simple DirectMedia Layer) is a cross-platform development library written in C, designed to provide [...]
10 Jun

Gismo: a Generic Information Search... with a Mind of its Own!

10/06/2020    
2:00 pm-3:00 pm
Fabien Mathieu
Searching for documents is a task that everyone faces on a regular basis, especially when looking for a relevant Internet page, an e-mail, or a [...]
10 Jun

A Mathematical Theory of Communication: Discrete Noiseless Systems

10/06/2020    
11:00 am-12:00 pm
Fabien Mathieu
In 1948 Shannon published the article that defines modern information theory. For this reading group, we will present the first part of the article, which [...]
03 Jun

IoT Network Control and Management

03/06/2020    
2:00 pm-3:00 pm
Ludovic Noirie
Internet of Things (IoT) devices are increasingly present in our lives. This plethora of devices creates a need to manage them easily, transparently and quickly [...]
03 Jun

Input, Output, and the Internet: Part II

03/06/2020    
11:00 am-12:00 pm
Fabien Mathieu
Python offers a lot of tools to easily deal with local and Internet files. We will present a selection of these tools illustrated with nice [...]

May 2020

27 May

Beam management in 5G

27/05/2020    
3:00 pm-4:00 pm
Sanket Kalamkar
Beam management is central in the operation of dense 5G cellular networks. Focusing the energy radiated to mobile terminals (MTs) by increasing the number of [...]
27 May

Support-vector networks

27/05/2020    
11:00 am-12:00 pm
Anastasios Giovanidis
Cortes, C., Vapnik, V. Support-vector networks. Mach Learn 20, 273–297 (1995). https://doi.org/10.1007/BF00994018 . Abstract of the paper: "The support-vector network is a new leaming machine [...]
20 May

Input, Output, and the Internet: Part I

20/05/2020    
11:00 am-12:00 pm
Fabien Mathieu
Python offers a lot of tools to easily deal with local and Internet files. We will present a selection of these tools illustrated with nice [...]

Mar 2020

12 Mar

Thesis Defense : Resource allocation and optimization for the non-orthogonal multiple access

12/03/2020    
2:00 pm-4:00 pm
Lou Salaün
Non-orthogonal multiple access (NOMA) is a promising technology to increase the spectral efficiency and enable massive connectivity in future wireless networks. In contrast to orthogonal [...]
11 Mar

Comparing the modelling powers of RNN and HMM

11/03/2020    
2:00 pm-3:00 pm
Achille Salaün
Recurrent Neural Networks (RNN) and Hidden Markov Models (HMM) are popular models for processing sequential data and have found many applications such as speech recognition, time [...]
11 Mar

Introduction to PyTorch

11/03/2020    
11:00 am-12:00 pm
Léo Laugier
Join us on for an introduction to PyTorch! Learn how to use it for machine learning purposes, and why it is useful for deep learning [...]
06 Mar

Thesis Defense : Autonomous IoT device type identification

06/03/2020    
10:00 am-12:00 pm
Nesrine Ammar
With the proliferation of smart devices, more and more people buy IP devices and home appliances to benefit from new services, allowing them to control [...]
04 Mar

Log Analysis via Space-time Pattern Matching

04/03/2020    
2:00 pm-3:00 pm
Marc-Olivier Buob
The increasing number of machines and technologies involved in existing infrastructures and networks hardens their management. Even if many monitoring solutions help to detect a [...]
04 Mar

Rare geometries: revealing rare categories via dimension-driven statistics

04/03/2020    
11:00 am-12:00 pm
Achille Salaün
In many situations, classes of data points of primary interest also happen to be those that are least numerous. A well-known example is detection of [...]

Feb 2020

26 Feb

Converting Python plots to tikz with tikzplotlib

26/02/2020    
4:00 pm-4:10 pm
Fabien Mathieu
Short presentation of tikzplotlib. Example.
26 Feb

Abstract Classes in Python

26/02/2020    
3:00 pm-4:00 pm
Edouard Pineau
An abstract class can be considered as a blueprint for other classes. It allows you to create a set of methods that must be created [...]
26 Feb

Beam Based Operations in 5G NR Rel-15

26/02/2020    
2:00 pm-3:00 pm
Fuad Abinader
Deploying cellular networks in millimeter wave (mmWave) frequencies require coping with rapid channel variations and severe free-space pathloss and atmospheric absorption. In order to make [...]
19 Feb

Collaboration and Innovation in an International Science and Engineering Competition

19/02/2020    
2:00 pm-3:00 pm
Marc Santolini
In this talk, we will present our recent work investigating criteria of performance and success of teams in a scientific context using a quantitative approach. [...]
19 Feb

Asymptotics for Euclidean minimal spanning trees on random points

19/02/2020    
11:00 am-12:00 pm
Bharath Roy Choudhury
I will present the main ideas of the paper "Asymptotics for Euclidean minimal spanning trees on random points" by David Aldous and J. Michael Steele. [...]
12 Feb

Insights from heterogeneous random walks: from theory to applications

12/02/2020    
2:00 pm-3:00 pm
Liubov Tupikina
First I will introduce our model, heterogeneous continuous time random walk (HCTRW) model as a versatile analytical formalism for studying and modeling diffusion processes in [...]
12 Feb

Crawling the web with Scrapy

12/02/2020    
11:00 am-12:00 pm
Quentin Lutz
Scrapy is a Python-based tool for the collection of data from webpages which can be used either within Python code or in a stand-alone fashion [...]
05 Feb

Diamond-Miner: Comprehensive Discovery of the Internet’s Topology Diamonds

05/02/2020    
2:00 pm-3:00 pm
Kévin Vermeulen
(NSDI preview) Despite the well-known existence of load-balanced forwarding paths in the Internet, current Internet-wide active topology mapping efforts are multipath agnostic – largely because of the probing [...]
05 Feb

Propagation of chaos in discrete-time Replica Mean Field models

05/02/2020    
11:00 am-12:00 pm
Michel Davydov
Replica mean-field (RMF) models have been introduced in various fields (biological neural networks, telecommunication networks) to study limit behaviors in models whilst preserving the finite-size [...]

Jan 2020

30 Jan

Thesis Defense : Full-Duplex for Cellular Networks: A Stochastic Geometry Approach

30/01/2020    
2:00 pm-4:00 pm
Felipe Arrano
English Version: Full-duplex (FD) is a principle in which a transceiver can receive and transmit on the same time-frequency radio resource. The principle was long [...]
29 Jan

BandWidth Part (BWP): A 5G feature for improving spectrum flexibility and power savings

29/01/2020    
2:00 pm-3:00 pm
Andrea Marcano
Bandwidth Part (BWP) is a feature introduced in 3GPP Release 15 as part of the standard for 5G New Radio (NR). The introduction of BWPs [...]
29 Jan

Testing in Python

29/01/2020    
11:00 am-12:00 pm
François Durand
Testing enables you to quickly detect when you break something in your code. Python has very convenient tools to do it, such as Doctest and [...]
22 Jan

Mutual Information Neural Estimation

22/01/2020    
11:00 am-12:00 pm
Édouard Pineau
Reference: Mutual Information Neural Estimation, Belghazi et al. , 2018. The mutual information (MI) of two random variables is a measure of the mutual dependence [...]
15 Jan

Reviewing code using Codecov

15/01/2020    
11:00 am-12:00 pm
Quentin Lutz
When developing a package, it is often stressed that tests play a crucial role in ensuring that your code works as intended. However, one may [...]
08 Jan

Spatial Birth-And-Death Wireless Networks

08/01/2020    
11:00 am-12:00 pm
Pierre Popineau
Reference: Spatial birth-and-death wireless networks, F. Baccelli et A. Sankararaman. Stochastic geometry can prove useful to model spatial stochastic systems. In this paper, Baccelli and [...]

Dec 2019

18 Dec

Rewarding Miners: Bankruptcy games and Pooling Strategies

18/12/2019    
2:00 pm-3:00 pm
Marianna Belotti
In the Bitcoin system, mining is the procedure through which miners can gain money on regular basis by finding solutions to a mathematical crypto puzzle [...]
18 Dec

Documenting code in Python

18/12/2019    
11:00 am-12:00 pm
Nathan de Lara
We will cover the basics of docstrings and see how to generate documentation with Sphinx. Estimated duration: 30min.
17 Dec

Thesis Defense : Towards a scalable and programmable incremental deployment of ICN in the real world

17/12/2019    
3:00 pm-6:00 pm
Mauro Sardana
Information-Centric Networking (ICN) embraces a family of network architectures re-thinking Internet communication principles around named-data. After several years of research and the emergence of a [...]
06 Dec

Thesis Defense : Optimization and control of energy storage in smart grid

06/12/2019    
2:00 pm-4:00 pm
Umar Hashmi
This thesis is motivated by the electric power system transformations due to more renewable integration and changing consumption patterns. Energy storage is one possible solution [...]
04 Dec

Introduction to Python (3)

04/12/2019    
10:30 am-12:00 pm
Marc-Olivier Buob
We’ll cover basics of Python and design aspects. Do not hesitate to come even if you did not attend the first and second sessions. Download [...]

Nov 2019

27 Nov

Random walks on simplicial complexes

27/11/2019    
2:00 pm-3:00 pm
Laurent Decreusefond
The Laplacian of a graph is a key object in the theory of graphs and can be viewed as the generator of a continuous time [...]
27 Nov

False Discovery Rate

27/11/2019    
10:30 am-12:00 pm
Sayeh Khaniha
The false discovery rate (FDR) is a statistical approach used in multiple hypothesis testing to correct for multiple comparisons. It is typically used in high-throughput [...]
20 Nov

Introduction to Python (2)

20/11/2019    
10:30 am-12:00 pm
Marc-Olivier Buob
We’ll cover basics of Python and design aspects. Do not hesitate to come even if you did not attend the first session. Download the notebook.
13 Nov

Utility-maximising properties of some service-rates allocations in wireless communication networks

We consider wireless communication networks where service rates of nodes depend the loads of their neighbours. We demonstrate that these rates are utility-maximising in a [...]
06 Nov

Exact digraph enumeration

06/11/2019    
10:30 am-12:00 pm
Élie de Panafieu
We present exact formulas for the number of digraphs in various interesting families: acyclic digraphs (dags), strongly connected digraphs, digraphs with constraints on their strongly [...]

Oct 2019

30 Oct

Rational vs Byzantine Players in Consensus-based Blockchains

30/10/2019    
2:00 pm-3:00 pm
Yackolley Amoussou-Guenou
In this presentation, we will analyse from the game theoretical point of view Byzantine Fault Tolerant (BFT) blockchains when processes exhibit rational or Byzantine behaviour. [...]
30 Oct

Parallel Computing with Joblib and Plotting with Seaborn

30/10/2019    
10:30 am-12:00 pm
Quentin Lutz
When in need of benchmarking an algorithm, running said algorithm on a given - likely wide - range of parameters is usually required. In order [...]
23 Oct

Cache Subsidies for an Optimal Memory for Bandwidth Tradeoff in the Access Network

23/10/2019    
2:00 pm-3:00 pm
Jim Roberts
Authors:  Mahdieh Ahmadi, James Roberts, Emilio Leonardi, and Ali Movaghar While the cost of the access network could be considerably reduced by the use of [...]
23 Oct

Deep Q-Learning: From Theory to Practice

23/10/2019    
10:30 am-12:00 pm
François Durand
After a brief presentation of Reinforcement Learning in general, I give the theoretical bases for a particular reinforcement algorithm, Q-Learning, and its neural-network-powered version, Deep [...]
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