Previous events - Page 9

Let X be a variety, and (F_n) a sequence of coherent sheaves on the n-th symmetric products Sym^n X. Following Okounkov, we consider the notion of (F_n) being factorisable. Roughly speaking, this means that over points of Sym^(m+n) X corresponding to the union of disjoint configurations in Sym^m X and Sym^n X, the sheaf F_{m+n} is the tensor product of F_m and F_n. Completing a partial argument by Okounkov, we show that if (F_n) is factorisable, then the generating function of Euler characteristics of F_n is the plethystic exponential of a generating function of Euler characteristics of sheaves on X. I'll explain why this is true and why it's useful.

AI for sustainability and sustainable AI. On this occasion, we focus on sustainable AI with expert in economics, climate and energy research. The event is in the scopes of the Norwegian AI-Centre SURE-AI and intersects the interests of the Research Thematic Group Unruly Sustainability.

Title: Measuring clouds and aerosols with the e-Profile ceilometer network

Speaker: Augustin Mortier, Norwegian Meteorological Institute

While publications are often visible in databases, other activities and open science outputs can remain difficult to discover. In this session, we will discuss opportunities for researchers to improve their visibility online through researcher profile services and social media.

Doctoral candidate Giulia Monopoli at the Department of Mathematics will be defending the thesis AI Tools and Computational Modeling for Mitral Valve Disease: from Image-based Detection to Mechanistic Insights for the degree of Philosophiae Doctor.

Doctoral candidate Sri Nivas Chandrasekaran at the Department of Informatics, Faculty of Mathematics and Natural Sciences, is defending the thesis A Generalized Mathematical Framework to Model Geoacoustic Properties of the Seabed for the degree of Philosophiae Doctor.

Andrew is a postdoctoral researcher in Statistical Machine Learning at the University of Limerick, Ireland. His research interests centre on developing methods at the intersection of statistical modelling and machine learning. He completed his PhD in 2024 where his research focused on statistically-based methods for neural networks, with a particular focus on model selection and interpretation. After his PhD, he spent some time in the pharmaceutical industry, working on Phase 3 clinical trials in the immunology therapeutic area.

Doctoral candidate Erik Hide Sæternes at the Department of Informatics, Faculty of Mathematics and Natural Sciences, is defending the thesis "I shall be too late!" Enhancing the efficiency and robustness of reservoir simulations through automated parameter tuning and adaptive time stepping for the degree of Philosophiae Doctor.

Doctoral candidate Jonas Thoen Faber at the Institute of Theoretical Astrophysics, Faculty of Mathematics and Natural Sciences, is defending the thesis "A detailed view of solar flare ribbons" for the degree of Philosophiae Doctor.

Doctoral candidate Amanda Johansen Di Biagio at the Department of Geosciences, Faculty of Mathematics and Natural Sciences, is defending the thesis Nature-based solutions: Quantification of the hydro-mechanical effects of forests on slope stability for the degree of Philosophiae Doctor.

Title: Observational and Modeling Studies of the Atmosphere from Antarctica, to the Arctic, and to Norway

Speaker: Mark Seefeldt, University of Colorado – Boulder

Kjetil Lysne Voje is a Norwegian evolutionary biologist and researcher at the Natural History Museum, University of Oslo. He earned a PhD in evolutionary biology from the Centre for Ecological and Evolutionary Synthesis at the University of Oslo. His research focuses on how new species form, how species are related through evolutionary “family trees,” and how quickly organisms adapt to environmental changes. In 2008–2009, he retraced the South American journey of Charles Darwin to celebrate the 150th anniversary of On the Origin of Species.

By Dr. Simon Cooil, Department of Physics/SMN, UiO

C*-seminar by Valerio Proietti (University of Oslo).

Doctoral candidate Tsung-Shu Joseph Wu at the Department of Informatics, Faculty of Mathematics and Natural Sciences, is defending the thesis Digitalisation of Health Surveillance for Early Detection of Outbreaks: the One Health Surveillance Platform in Malawi for the degree of Philosophiae Doctor.

Doctoral candidate Paniz Parastar at the Department of Informatics, Faculty of Mathematics and Natural Sciences, is defending the thesis Efficient Deployment and Orchestration of Heterogeneous Multi-Access Edge Computing in 5G and Beyond Networks for the degree of Philosophiae Doctor.

Welcome to our GeoHyd Lunch Seminar on Friday 13rd of March @ 12:15 in Aud. 1 in the Geology Building. The seminar is held by Juliette Bonnet (Université Grenoble Alpes).

OBS! please note that the Geology Building now requires an access card, but that you can ring the bell to get in.

The distance matrix of a tree appears in a range of contexts, from phylogenetics to physical chemistry. I will describe a new result about the spectrum of this matrix, one that gives affirmative answer to two questions about matroid positivity properties. These are both strengthenings of Mason's conjectures about the log-concavity of sequence of numbers of independent sets of a matroid, proposed by Igor Pak and by Giansiracusa, Rincón, Schleis, Ulirsch, respectively.

At the heart is a characterization of the gross substitutes property from economics in terms of the Lorentzian property of a generating function.

This is joint work with Federico Ardila-Mantilla, Sergio Cristancho, Chris Eur, June Huh, and Botong Wang.

Welcome to a life sciences IP workshop led by two experienced life sciences patent attorneys from Abel & Imray LLP.

Amanda Langørgen will defend her thesis “Electrical characterization of point defects in 𝜷-Ga₂O₃ and 𝜿-Ga₂O₃” for the degree of Philosophiae Doctor at the University of Oslo, Faculty of Mathematics and Natural Sciences.

Welcome to the GeoWednesday talk "Rock-ice avalanches: 100 million cubic metres at the speed of a fast train", by Andreas Kääb, Professor of Remote Sensing at the Department of Geosciences, University of Oslo.