Rigidity, tensegrity, and reconstruction of polytopes under metric constraints. (English) Zbl 07931884
MSC:
52C25
Found 3,284 Documents (Results 1–100)
Affine stresses: the partition of unity and Kalai’s reconstruction conjectures. (English) Zbl 07931807
Deep cliques in point sets. (English) Zbl 07931805
The crossing Tverberg theorem. (English) Zbl 07931802
The landscape of the planted clique problem: dense subgraphs and the overlap gap property. (English) Zbl 07924309
Passivity techniques and Hamiltonian structures in discrete time. (English) Zbl 07924179
Olaru, Sorin (ed.) et al., Difference equations, discrete dynamical systems and applications. IDCEA 2022. Selected papers based on the presentations at the 27th international conference, Gif-sur-Yvette, France, June 18–22, 2022. Cham: Springer. Springer Proc. Math. Stat. 444, 327-352 (2024).
MSC:
37-XX
Commensurators of thin normal subgroups and abelian quotients. (English) Zbl 07904851
Reviewer: Do Ngoc Diep (Hà Nội)
Sum-of-local-effects data structures for separable graphs. (English) Zbl 07900294
Wu, Weili (ed.) et al., Computing and combinatorics. 29th international conference, COCOON 2023, Hawaii, HI, USA, December 15–17, 2023. Proceedings. Part I. Cham: Springer. Lect. Notes Comput. Sci. 14422, 195-206 (2024).
MSC:
68Rxx
The Euler non-mixing made easy. (English) Zbl 07896364
The Menger curve and spherical CR uniformization of a closed hyperbolic \(3\)-orbifold. (English) Zbl 07893171
Reviewer: Ernesto Martínez (Madrid)
\(W_m\)-algebras and fractional powers of difference operators. (English) Zbl 07892742
Reviewer: William J. Satzer Jr. (St. Paul)
Equivariant lattice bases. (English) Zbl 07891371
A family of integrable transformations of centroaffine polygons: geometrical aspects. (Sur une famille de transformations intégrables de polygones centroaffines : aspects géométriques.) (English. French summary) Zbl 07877214
CMC-1 surfaces via osculating Möbius transformations between circle patterns. (English) Zbl 1542.52018
Mathematics of 2-dimensional lattices. (English) Zbl 07875096
Reviewer: Robert Dawson (Halifax)
Saturating linear sets in \(\mathrm{PG}(2,q^4)\). (English) Zbl 07874560
Reviewer: Nikolay Yankov (Shumen)
Hybrid stress and heat-flux formulation of thermodynamics for long-term simulations in thermo-viscoplasticity. (English) Zbl 07867170
Darboux’s theorem, Lie series and the standardization of the Salerno and Ablowitz-Ladik models. (English) Zbl 07864771
Harmonic almost complex structures on almost abelian Lie groups and solvmanifolds. (English) Zbl 07864256
Reviewer: Mihail Banaru (Smolensk)
Topology of cut complexes of graphs. (English) Zbl 07862216
Reviewer: Serge Lawrencenko (Moskva)
Flexibility and rigidity of frameworks consisting of triangles and parallelograms. (English) Zbl 1540.05043
An axiomatization of matroids and oriented matroids as conditional independence models. (English) Zbl 1539.05011
Robust geometric modeling of 3-periodic tensegrity frameworks using Riemannian optimization. (English) Zbl 07849885
A dimensionality reduction and layout optimization scheme for grid-stiffened structures. (English) Zbl 07841200
MSC:
90-XX
Metastable mixing of Markov chains: efficiently sampling low temperature exponential random graphs. (English) Zbl 1536.60063
Maximal hypersurfaces of degree \(d\) in \({{\mathbb{P}}}^n({{\mathbb{F}}}_q)\) and minimum weight spectrum of the generalized \(PRM (q, d, n)\)-code. (English) Zbl 1539.14100
Reviewer: Abdulla Eid (Bahrain)
Multi-material structural discrete variable topology optimization with minimum length scale control under mass constraint. (English) Zbl 1536.74186
MSC:
74P15
Pseudo-Kähler geometry of properly convex projective structures on the torus. (English) Zbl 07818658
Reviewer: Hongtaek Jung (Seoul)
Count and cofactor matroids of highly connected graphs. (English) Zbl 1535.05056
Reviewer: Ioan Tomescu (Bucureşti)
Moduli of triples of points in quaternionic hyperbolic geometry. (English) Zbl 07805322
Reviewer: José Javier Etayo (Madrid)
Multijoints and factorisation. (English) Zbl 07805306
Furstenberg sets in finite fields: explaining and improving the Ellenberg-Erman proof. (English) Zbl 07802593
On additional symmetry and bilinearization of the \(q\)-Painlevé systems associated with the affine Weyl group of type \(A\). (English) Zbl 07790340
On circle patterns and spherical conical metrics. (English) Zbl 1536.52022
Reviewer: Xu Xu (Wuhan)
Contractibility of the orbit space of the \(p\)-subgroup complex via Brown-Forman discrete Morse theory. (English) Zbl 1535.20114
Reviewer: Yangming Li (Guangzhou)
Erratum to: “Special subvarieties of non-arithmetic ball quotients and Hodge theory”. (English) Zbl 1527.14060
Elements of discrete mathematics. Numbers and counting, groups, graphs, orders and lattices. (English) Zbl 1536.68001
De Gruyter Graduate. Berlin: De Gruyter (ISBN 978-3-11-106069-9/pbk; 978-3-11-106255-6/ebook). xviii, 261 p. (2024).
Reviewer: Christian Posthoff (Chemnitz)
Equilibrium stresses and rigidity for infinite tensegrities and frameworks. (English) Zbl 1529.52021
Reviewer: Victor Alexandrov (Novosibirsk)
Stochastic gradient descent in high dimensions for multi-spiked tensor PCA. arXiv:2410.18162
Preprint, arXiv:2410.18162 [stat.ML] (2024).
Planting and MCMC Sampling from the Potts model. arXiv:2410.14409
Preprint, arXiv:2410.14409 [math.PR] (2024).
Additional first order equation for infinitesimal bendings of smooth surfaces in the isothermal coordinates. arXiv:2410.13634
Preprint, arXiv:2410.13634 [math.DG] (2024).
The geometry of covering codes in the sum-rank metric. arXiv:2410.12393
Preprint, arXiv:2410.12393 [math.CO] (2024).
The orbit-fixing deformation spaces of an action of a Lie groupoid. arXiv:2410.11461
Preprint, arXiv:2410.11461 [math.GR] (2024).
Automorphism Groups of Commuting Polynomial Maps of the Affine Plane. arXiv:2410.10598
Preprint, arXiv:2410.10598 [math.DS] (2024).
Generic infinitesimal rigidity for rotational groups in the plane. arXiv:2410.07931
Preprint, arXiv:2410.07931 [math.CO] (2024).
Minimally rigid tensegrity frameworks. arXiv:2410.07452
Preprint, arXiv:2410.07452 [math.CO] (2024).
MSC:
52C25
Prime and thickened prime components in Apollonian circle packings. arXiv:2410.00177
Preprint, arXiv:2410.00177 [math.NT] (2024).
Globally Rigid Convex Braced Polygons. arXiv:2409.09465
Preprint, arXiv:2409.09465 [math.MG] (2024).
MSC:
52C25
Constructing reflection-symmetric flexible realisations of graphs. arXiv:2408.06928
Preprint, arXiv:2408.06928 [math.CO] (2024).
On the Genus of One Degree of Freedom Planar Linkages via Tropical Geometry. arXiv:2408.00449
Preprint, arXiv:2408.00449 [math.MG] (2024).
On separability in discrete geometry. arXiv:2407.20169
Preprint, arXiv:2407.20169 [math.MG] (2024).
Discrete conformal structures on surfaces with boundary (II) – Rigidity and Existence. arXiv:2407.19501
Preprint, arXiv:2407.19501 [math.DG] (2024).
An Efficient Regularity Lemma for Semi-Algebraic Hypergraphs. arXiv:2407.15518
Preprint, arXiv:2407.15518 [cs.CG] (2024).
Rigidity of symmetric frameworks with non-free group actions on the vertices. arXiv:2407.13612
Preprint, arXiv:2407.13612 [math.CO] (2024).
Convergences of Combinatorial Ricci Flows to Degenerated Circle Packings in Hyperbolic Background Geometry. arXiv:2407.08496
Preprint, arXiv:2407.08496 [math.DG] (2024).
Generic Properties of Hitchin Representations. arXiv:2407.08487
Preprint, arXiv:2407.08487 [math.GT] (2024).
Concave Foliated Flag Structures and the \(\text{SL}_3(\mathbb{R})\) Hitchin Component. arXiv:2407.06361
Preprint, arXiv:2407.06361 [math.GT] (2024).
On Foliations in \(\text{PSL}(4,\mathbb{R})\)-Teichmüller Theory. arXiv:2407.02237
Preprint, arXiv:2407.02237 [math.GT] (2024).
A flexible polyhedron without self-intersections in Euclidean 3-space, all of whose dihedral angles change during a flex. arXiv:2406.14147
Preprint, arXiv:2406.14147 [math.MG] (2024).
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