Publications related to Isolated point

Laser-based manufacturing of freeform glass micro-optics through topological transformation

Glass has been the material of choice for making optical elements, in large part due to its intrinsic properties: a temperature-dependent viscosity, which enables shaping the material into a broad variety of functional and artistic glassware. Silica glass ...

EPFL2024

Divertor detachment and reattachment with mixed impurity seeding on ASDEX Upgrade

Using newly developed spectroscopic models to measure the divertor concentration of Ne and Ar, it is shown that the experimental detachment threshold on ASDEX Upgrade with Ar-only and mixtures of Ar+N or Ne+N scales as expected in comparison with an analyt ...

IOP Publishing Ltd2023

From SU(2)5 to SU(2)3 Wess-Zumino-Witten transitions in a frustrated spin-52 chain

Frédéric Mila, Natalia Chepiga

We investigate the properties of a frustrated spin-5/2 chain with next-nearest-neighbor two- and three-site interactions, with two questions in mind: the nature of the transition into the dimerized phase induced by the three-site interaction, and the possi ...

AMER PHYSICAL SOC2022

Fourier non-uniqueness sets from totally real number fields

Martin Peter Stoller

Let K be a totally real number field of degree n >= 2. The inverse different of K gives rise to a lattice in Rn. We prove that the space of Schwartz Fourier eigenfunctions on R-n which vanish on the "component-wise square root" of this lattice, is infinite ...

EUROPEAN MATHEMATICAL SOC-EMS2022

A Global Building Occupant Behavior Database

Andrew James Sonta, Zhe Wang, Sanjay Kumar, Xin Zhou, Yanchen Liu

This paper introduces a database of 34 field-measured building occupant behavior datasets collected from 15 countries and 39 institutions across 10 climatic zones covering various building types in both commercial and residential sectors. This is a compreh ...

2022

A novel control strategy with an anode variable geometry ejector for a SOFC-GT hybrid system

Jinzhi Lu, Jinwei Chen

A novel control strategy was developed with an anode variable geometry ejector for a solid oxide fuel cell-gas turbine (SOFC-GT) system. The anode inlet temperature was controlled by combining two modes to achieve a greater controllable range: anode variab ...

PERGAMON-ELSEVIER SCIENCE LTD2022

Geometry of the Loss Landscape in Overparameterized Neural Networks: Symmetries and Invariances

Wulfram Gerstner, Clément Hongler, Johanni Michael Brea, Francesco Spadaro, Berfin Simsek, Arthur Jacot

We study how permutation symmetries in overparameterized multi-layer neural networks generate `symmetry-induced' critical points. Assuming a network with

L

layers of minimal widths

r_1^*, \ldots, r_{L-1}^*

reaches a zero-loss minimum at $ r_1^*! \c ...

2021

Fourier uniqueness in even dimensions

Maryna Viazovska

In recent work, methods from the theory of modular forms were used to obtain Fourier uniqueness results in several key dimensions (d = 1, 8, 24), in which a function could be uniquely reconstructed from the values of it and its Fourier transform on a discr ...

2021

A note on discrete lattice-periodic sets with an application to Archimedean tilings

Matthias Schymura

Cao and Yuan obtained a Blichfeldt-type result for the vertex set of the edge-to-edge tiling of the plane by regular hexagons. Observing that the vertex set of every Archimedean tiling is the union of translates of a fixed lattice, we take a more general v ...

SPRINGER HEIDELBERG2019

On some algebraic and extremal problems in discrete geometry

Seyed Hossein Nassajianmojarrad

In the present thesis, we delve into different extremal and algebraic problems arising from combinatorial geometry. Specifically, we consider the following problems. For any integer

n\ge 3

, we define

e(n)

to be the minimum positive integer such that an ...

EPFL2017

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Laser-based manufacturing of freeform glass micro-optics through topological transformation

Divertor detachment and reattachment with mixed impurity seeding on ASDEX Upgrade

From SU(2)5 to SU(2)3 Wess-Zumino-Witten transitions in a frustrated spin-52 chain

Fourier non-uniqueness sets from totally real number fields

A Global Building Occupant Behavior Database

A novel control strategy with an anode variable geometry ejector for a SOFC-GT hybrid system

Geometry of the Loss Landscape in Overparameterized Neural Networks: Symmetries and Invariances

Fourier uniqueness in even dimensions

A note on discrete lattice-periodic sets with an application to Archimedean tilings

On some algebraic and extremal problems in discrete geometry

From SU(2)5 to SU(2)3 Wess-Zumino-Witten transitions in a frustrated spin-52 chain

Geometry of the Loss Landscape in Overparameterized Neural Networks: Symmetries and Invariances

A note on discrete lattice-periodic sets with an application to Archimedean tilings

Fourier uniqueness in even dimensions

Laser-based manufacturing of freeform glass micro-optics through topological transformation

Divertor detachment and reattachment with mixed impurity seeding on ASDEX Upgrade

Fourier non-uniqueness sets from totally real number fields

A novel control strategy with an anode variable geometry ejector for a SOFC-GT hybrid system

A Global Building Occupant Behavior Database

On some algebraic and extremal problems in discrete geometry