Results 41 to 50 of about 169 (106)

Cohomogeneity‐one solitons in Laplacian flow: Local, smoothly‐closing and steady solitons

open access: yesJournal of the London Mathematical Society, Volume 113, Issue 6, June 2026.
Abstract We initiate a systematic study of cohomogeneity‐one solitons in Bryant's Laplacian flow of closed G2$\text{G}_2$‐structures on a 7‐manifold, motivated by the problem of understanding finite‐time singularities of that flow. Here, we focus on solitons with symmetry groups Sp(2)${\rm Sp}(2)$ and SU(3)${\rm SU}(3)$; in both cases, we prove the ...
Mark Haskins, Johannes Nordström
wiley   +1 more source

Basic notions of the geometric group theory

open access: yes, 2015
U ovom radu bavimo se geometrijom grupe i djelovanjem grupe na grafove i metričke prostore. Naš objektiv oštro je usmjeren na beskonačne, konačno generirane grupe, jer nam klasična teorija grupa ne daje jasnu sliku o strukturi navedenih grupa ako ...
Peran, Dino
core  

Coulomb branch algebras via symplectic cohomology

open access: yesJournal of Topology, Volume 19, Issue 2, June 2026.
Abstract Let (M¯,ω)$(\bar{M}, \omega)$ be a compact symplectic manifold with convex boundary and c1(TM¯)=0$c_1(T\bar{M})=0$. Suppose that (M¯,ω)$(\bar{M}, \omega)$ is equipped with a convex Hamiltonian G$G$‐action for some connected, compact Lie group G$G$.
Eduardo González   +2 more
wiley   +1 more source

Propositionwise judgment aggregation

open access: yes
In the theory of judgment aggregation, it is known for which agendas of propositions it is possible to aggregate individual judgments into collective ones in accordance with the Arrow-inspired requirements of universal domain, collective rationality ...
List Christian, Dietrich Franz
core  

Counting Salem Numbers of Arithmetic Hyperbolic 3-Orbifolds. [PDF]

open access: yesBull Braz Math Soc, 2022
Belolipetsky M   +3 more
europepmc   +1 more source

Automorphic Bloch theorems for hyperbolic lattices. [PDF]

open access: yesProc Natl Acad Sci U S A, 2022
Maciejko J, Rayan S.
europepmc   +1 more source

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