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Asymptotic analysis of near-field coupling in massive MISO and massive SIMO systems
(2024-06-17)
Article
Open AccessThis paper studies the receiver to transmitter antenna coupling in near-field communications with massive arrays. Although most works in the literature consider that it is negligible and approximate it by zero, there is ... -
The Arnold conjecture for singular symplectic manifolds
(Springer, 2024-04-18)
Article
Open AccessIn this article, we study the Hamiltonian dynamics on singular symplectic manifolds and prove the Arnold conjecture for a large class of bm-symplectic manifolds. Novel techniques are introduced to associate smooth symplectic ... -
A novel collision model for inextensible textiles and its experimental validation
(Elsevier, 2024-04)
Article
Open AccessIn this work, we introduce a collision model specifically tailored for the simulation of inextensible textiles. The model considers friction, contacts, and inextensibility constraints all at the same time without any ... -
An equivariant Reeb–Beltrami correspondence and the Kepler–Euler flow
(Royal Society, 2024-01-31)
Article
Open AccessWe prove that the correspondence between Reeb and Beltrami vector fields presented in Etnyre & Ghrist (Etnyre, Ghrist 2000 Nonlinearity 13, 441–458 (doi:10.1088/0951-7715/13/2/306)) can be made equivariant whenever additional ... -
Bohr–Sommerfeld quantization of b-symplectic toric manifolds
(2023)
Article
Open AccessWe define the Bohr-Sommerfeld quantization via T -modules for a b-symplectic toric manifold and show that it coincides with the formal geometric quantization of [Victor W. Guillemin, Eva Miranda, and Jonathan Weitsman. On ... -
Identifiability in robust estimation of tree structured models
(2024-02-01)
Article
Restricted access - publisher's policyConsider the problem of learning undirected graphical models on trees from corrupted data. Recently Katiyar, Shah, and Caramanis showed that it is possible to recover trees from noisy binary data up to a small equivalence ... -
New slope inequalities for families of complete intersections
(2024-01-01)
Article
Open AccessWe prove f-positivity of Ox (1) for arbitrary dimensional fibrations over curves f:X¿B whose general fibre is a complete intersection. In the special case where the family is a global complete intersection, we prove numerical ... -
Reduction theory for singular symplectic manifolds and singular forms on moduli spaces
(2023-09-01)
Article
Open AccessThe investigation of symmetries of b-symplectic manifolds and folded-symplectic manifolds is well-understood when the group under consideration is a torus (see, for instance, [25,21, 28] for b-symplectic manifolds and ... -
Valuations with an infinite limit-depth
(2023-08-08)
Article
Open AccessWe construct a field K and a valuation-algebraic valuation on K[x] , whose underlying Maclane–Vaquié chain consists of an infinite (countable) number of limit augmentations. -
Multisymplectic constraint analysis of scalar field theories, Chern-Simons gravity, and bosonic string theory
(Elsevier, 2023-02)
Article
Open AccessThe (pre)multisymplectic geometry of the De Donder–Weyl formalism for field theories is further developed for a variety of field theories including a scalar field theory from the canonical Klein-Gordon action, the electric ... -
Grid equivalent representation of power systems with penetration of power electronics
(Institute of Electrical and Electronics Engineers (IEEE), 2023-03-13)
Article
Open AccessThe Thévenin equivalent is considered as the standard grid equivalent for power system analysis. The integration on power electronics components in the power systems introduces non-linear operation characteristics that ... -
From 2N to infinitely many escape orbits
(Pleiades Publishing, 2023-07-31)
Article
Open Access—In this short note, we prove that singular Reeb vector fields associated with generic b-contact forms on three dimensional manifolds with compact embedded critical surfaces have either (at least) 2N or an infinite number ...
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