*** Apologize for cross-posting ***
On April Thursday 21 at 15:30, Cagin Ararat (Bilkent University) will give
a virtual seminar “in Insubria & Bicocca”, to which you are all invited.
Title and abstract below.
Title: Set-valued martingales and backward stochastic differential equations
Abstract:
Motivated by the connection between univariate dynamic risk measures and
backward stochastic differential equations, we start building a theory for
set-valued backward stochastic differential equations (SV-BSDE). As a first
step for this purpose, we formulate a simple SV-BSDE with a compact-valued
driver function and study the well-posedness of this SV-BSDE. A key tool in
establishing well-posedness is the availability of a stochastic integral
representation for set-valued martingales. We prove a new martingale
representation theorem which, in contrast to the available literature,
allows the initial value of the martingale to be nontrivial. This is a
joint work with Jin Ma (USC) and Wenqian Wu (USC).
The seminar will be on Microsoft Teams. You can find the information to
join below.
Topic: Cagin Ararat - Set-valued martingales and backward stochastic
differential equations
Time: Apr 21, 2021 03:30 PM Rome
Where: Microsoft Teams
Link:
https://teams.microsoft.com/l/meetup-join/19%3ameeting_Yzc1OGY5YjAtNjNhZC00…
Please forward to anyone interested.
Kind regards,
Emanuela Rosazza Gianin and Elisa Mastrogiacomo
Dear all,
the Bayesian Young Statisticians Meeting (BAYSM2021) will take place online
on September 1-3, 2021.
BAYSM is the official conference of j-ISBA, the junior section of the
International Society for Bayesian Analysis. It is intended for Ph.D.
Students, M.S. Students, Post-Docs, Young and Junior researchers working in
the field of Bayesian statistics, providing an opportunity to connect with
the Bayesian community at large. Senior discussants will be present at each
session, providing participants with hints, suggestions and comments to
their work. Distinguished professors of the Bayesian community will also
participate as keynote speakers, making an altogether exciting program.
Registration is now open https://events.stat.uconn.edu/BAYSM2021/
<https://events.stat.uconn.edu/BAYSM2021/>and it will be free, but
mandatory. The event is also supported by ISBA and Yunnan University
(Kunming, China). Young researchers interested in giving a talk or
presenting a poster are invited to *submit an extended abstract by May 10,
2021* during the registration process. Notification of acceptance will be
given by the end of June. *The extended abstract should be written
according to the template and instructions provided on the registration
page*, the template is downloadable from the button "Resources".
For organizational reasons, we kindly ask all the interested researchers to
register even if they just want to attend the meeting, the deadline for
registration is again May 10, 2021.
*Confirmed Keynote speakers:*
Maria De Iorio
Francesca Dominici
David Dunson
Xuanlong Nguyen
Amy Shi
Jessica Utts
*Confirmed discussants:*
Cathy WS Chen
Pierre Jacob
Rosangela Loschi
Li Ma
David Rossel
While the meeting is organized for and by junior Bayesians, attendance is
open to anyone who may be interested.
For more information, please visit the conference website:
https://events.stat.uconn.edu/BAYSM2021/
<https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fevents.st…>
Or write an email to baysm.isba(a)gmail.com
On behalf of the BAYSM2021 organizing committee
--
Federico Camerlenghi
Assistant Professor RTDb
Department of Economics, Management and Statistics
University of Milano Bicocca, Milano, Italy.
web-page: https://www.unimib.it/federico-camerlenghi
Seminario di Emilio Cruciani a Roma Tre:
Emilio Cruciani
(Universitaet Salzburg)
Titolo: Step-by-step community detection in volume-regular graphs
Venerdi' 09 Aprile 2021 ORE 15:00
Dipartimento di Matematica e Fisica
Universita' degli Studi Roma Tre
Abstract
Spectral techniques have proved amongst the most effective approaches
to graph clustering. However, in general they require explicit
computation of the main eigenvectors of a suitable matrix (usually the
Laplacian matrix of the graph). Recent work (e.g., Becchetti et al.,
SODA 2017) suggests that observing the temporal evolution of the power
method applied to an initial random vector may, at least in some
cases, provide enough information on the space spanned by the first
two eigenvectors, so as to allow recovery of a hidden partition
without explicit eigenvector computations. While the results of
Becchetti et al. apply to perfectly balanced partitions and/or graphs
that exhibit very strong forms of regularity, we extend their approach
to graphs containing a hidden k-partition and characterized by a
milder form of volume-regularity. We show that the class of k-volume
regular graphs is the largest class of undirected (possibly weighted)
graphs whose transition matrix admits k “stepwise” eigenvectors
(i.e., vectors that have constant entries over the components
corresponding to the same set of the hidden partition). To obtain this
result, we highlight a connection between volume regularity and
lumpability of Markov chains. Moreover, we prove that if the stepwise
eigenvectors are those associated to the first k largest eigenvalues
of the transition matrix of a random walk on the graph and the gap
between the k-th and the (k+1)-th eigenvalues is sufficiently large,
the Averaging dynamics of Becchetti et al. recovers the underlying
community structure of the graph in logarithmic time, with high
probability. Based on a joint work with Luca Becchetti, Francesco
Pasquale, and Sara Rizzo. Link to the paper:
https://arxiv.org/abs/1907.07149
Per partecipare al Seminario cliccare sul seguente Link:
https://teams.microsoft.com/dl/launcher/launcher.html?url=%2F_%23%2Fl%2Fmee…
Call for applications for a tenure-track position as associate professor
at the Department of Economics - Ca' Foscari University, Venice, Italy
The Department of Economics is actively searching for brilliant and
promising scholars to fill one tenure-track position (ricercatore RTD-B).
The research activity will concern themes related to Mathematics for
Economics, Finance, Social and Actuarial Sciences (including models and
mathematical methods for decision theory, risk and uncertainty
management, agent models and computational methods). Teaching
commitment: excellent teaching skills are required to deliver courses,
within the terms provided for by the University regulations, at the
three-year degree, master's degree and PhD level (in Italian and
English). In particular: Mathematics - modules 1 and 2; Financial
mathematics; Computational tools for economics. The researcher may also
be assigned managerial and organizational tasks to be carried out in the
Department.
Detailed additional information is at
https://www.unive.it/data/38002/?id=2021-UNVE000-0022725
Informal queries may be directed to prof.ssa Antonella Basso,
basso(a)unive.it and prof. Paolo Pellizzari, paolop(a)unive.it.
Apply within 6 May 2005.
--
Antonella Basso
Dipartimento di Economia
Università Ca' Foscari Venezia
Fondamenta S. Giobbe - Cannaregio 873
30121 Venezia - Italy
Tel. +39-041-2346914
E-mail address: basso(a)unive.it
Web page: http://www.unive.it/data/persone/5591751
Dear Colleagues,
We would like to invite you to the following Probability seminar
that will take place on April 16 at 12.00 by the zoom platform.
________________________________________________________
Speaker: Chiara Franceschini (IST Lisbona)
Title: The symmetric inclusion process: some properties and scaling limit
16 APRIL (Friday) - 12:00 zoom link: TBA
available on the webpage https://www.math.unipd.it/~bianchi/seminari/ )
Abstract:
The symmetric inclusion process (SIP) is an interacting particle system
discovered as the dual process of a Markov diffusion that conserves the
total energy, it can be tough as the inclusion counterpart of the
well-known exclusion process. In this talk, I will present the model with
an open boundary, i.e. with two reservoirs which create a flux of particles
in the bulk putting the model in a non-equilibrium setting. We will see
that via the duality property, we can characterize some correlations of its
stationary measure in non-equilibrium and we will also see what are, in
this open setting, the so-called hydrodynamic and hydrostatic limit.
--
Alessandra Bianchi
Dip. di Matematica
Università di Padova
Via Trieste, 63 - 35121 Padova, Italy
phone: +39 049 827 14 06
fax: +39 049 827 14 28
e-mail: bianchi(a)math.unipd.it
http://www.math.unipd.it/~bianchi/
Dear colleagues,
we would like to draw your attention to the third conference for "Junior female researchers in probability”, 4-6 October 2021 (postponed from last year due to the pandemic). The aim of this workshop is to promote young female researchers by giving them an opportunity to present their own work, and hear distinguished mathematicians who can inspire them to pursue a fulfilling career in probability.
Keynote speakers:
Nina Gantert (TU München)
Eva Löcherbach (Paris)
Invited speakers:
Sigrid Källblad (Stockholm)
Annika Lang (Göteborg)
Elena Pulvirenti (Delft)
Maite Wilke Berenguer (Berlin)
The workshop will take place online and, if possible, as a hybrid event in Berlin.
We warmly invite those who identify as female to submit abstracts for contributed talks, and apply for financial support for travelling to Berlin in case we can have a hybrid event. However, please be aware that being unable to travel should not restrain from submitting an abstract. There are special travel grants for female master students interested in gaining some insight into research and get in touch with researchers. Of course everybody is very welcome to participate, but presentations and financial support are reserved for female participants.
Deadline for submission of abstracts and funding requests: June 30, 2021.
Please pass this information on to interested master students, PhD students and postdocs as well as your colleagues!
More details can be found on our website: https://www.wias-berlin.de/workshops/JFRP21/ <https://www.wias-berlin.de/workshops/JFRP21/>
Best regards,
Luisa Andreis, Peter Bank, Dörte Kreher, Laura Körber, Noemi Kurt, Alexandra Quitmann and Weile Weng