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Stable Nonconvex-Nonconcave Training via Linear Interpolation

Volkan Cevher, Thomas Michaelsen Pethick, Wanyun Xie

This paper presents a theoretical analysis of linear interpolation as a principled method for stabilizing (large-scale) neural network training. We argue that instabilities in the optimization process are often caused by the nonmonotonicity of the loss lan ...

2023

Digitised Historical Newspapers: A Changing Research Landscape (Introduction)

Maud Ehrmann, Frédéric Clavert

The application of digital technologies to newspaper archives is transforming the way historians engage with these sources. The digital evolution not only affects how scholars access historical newspapers, but also, increasingly, how they search, explore a ...

De Gruyter Oldenbourg2022

Using Open-Access Data to Explore Relations between Urban Landscapes and Diarrhoeal Diseases in Côte d’Ivoire

Jérôme Chenal, Vitor Pessoa Colombo, Martí Bosch Padrós, Jürg Utzinger

Unlike water and sanitation infrastructures or socio-economic indicators, landscape features are seldomly considered as predictors of diarrhoea. In contexts of rapid urbanisation and changes in the physical environment, urban planners and public health man ...

2022

Inception of Regular Valley Spacing in Fluvial Landscapes: A Linear Stability Analysis

Sara Bonetti, Shashank Kumar Anand

Incipient valley formation in mountainous landscapes is often associated with their presence at a regular spacing under diverse hydroclimatic forcings. Here we provide a formal linear stability theory for a landscape evolution model (LEM) representing the ...

2022

Non-destructive Prediction of the Buckling Load of Cylindrical Shells

Emilio José Lozano Vazquez

The current research focuses on the prediction of the maximum axial compression load a cylindrical shell is able to bear. This maximum axial compression load is the value at which a cylindrical shell loses stability and abruptly buckles. After the buckling ...

EPFL2022

The Horizontal Metropolis. The Anthology

Paola Viganò, Martina Barcelloni Corte

This book draws together classic and contemporary texts on the “Horizontal Metropolis” concept. Taking an interdisciplinary approach, it explores various theoretical, methodological and political implications of the Horizontal Metropolis hypothesis. Assemb ...

Springer2022

E-guerrilla 3D participation: Approach, implementation, and usability study

Jens Ingensand, Thibaud Nicolas Chassin

Typical urban participatory approaches engage citizens through lengthy sessions far from the area under transformation by an urban project. Several issues result from these settings of involvement including the mobilization of similar individuals, overwhel ...

FRONTIERS MEDIA SA2022

On the relation between landscape beauty and land cover: A case study in the U.K. at Sentinel-2 resolution with interpretable AI

Devis Tuia, Alex Hubertus Levering

The environment where we live and recreate can have a significant effect on our well-being. More beautiful landscapes have considerable benefits to both health and quality of life. When we chose where to live or our next holiday destination, we do so accor ...

2021

Stochasticity helps to navigate rough landscapes: comparing gradient-descent-based algorithms in the phase retrieval problem

Lenka Zdeborová, Francesca Mignacco

In this paper we investigate how gradient-based algorithms such as gradient descent (GD), (multi-pass) stochastic GD, its persistent variant, and the Langevin algorithm navigate non-convex loss-landscapes and which of them is able to reach the best general ...

2021

Kratos, les mythes, le monde. Jeux vidéo et représentations sociales contemporaines de la mythologie

Yohann Michel Franck Guffroy

In 2018, the Santa Monica studio released a new God of War. Contrary to the previous games, its hero Kratos no longer plays in Greece but in Scandinavia with a new pantheon. In this article, we are interested in player’s mythology representations from thei ...

2021

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On the relation between landscape beauty and land cover: A case study in the U.K. at Sentinel-2 resolution with interpretable AI

Devis Tuia, Alex Hubertus Levering

2021

Stochasticity helps to navigate rough landscapes: comparing gradient-descent-based algorithms in the phase retrieval problem

Lenka Zdeborová, Francesca Mignacco

2021

Kratos, les mythes, le monde. Jeux vidéo et représentations sociales contemporaines de la mythologie

Yohann Michel Franck Guffroy

2021