Results 41 to 50 of about 1,206 (89)

Equivariant algebraic concordance of strongly invertible knots

Journal of Topology, Volume 17, Issue 4, December 2024.
Abstract By considering a particular type of invariant Seifert surfaces we define a homomorphism Φ$\Phi$ from the (topological) equivariant concordance group of directed strongly invertible knots C∼$\widetilde{\mathcal {C}}$ to a new equivariant algebraic concordance group G∼Z$\widetilde{\mathcal {G}}^\mathbb {Z}$.
Alessio Di Prisa
wiley   +1 more source

A note on drastic product logic [PDF]

, 2014
The drastic product $*_D$ is known to be the smallest $t$-norm, since $x *_D y = 0$ whenever $x, y < 1$. This $t$-norm is not left-continuous, and hence it does not admit a residuum.
B. Schweizer, F. Esteva, F. Montagna, F. Montagna, M. Bianchi, P. Cintula, R. Horčík, S. Bova, S. Wang, T. Kowalski   +9 more
core   +1 more source

Rank‐expanding satellites, Whitehead doubles, and Heegaard Floer homology

Journal of Topology, Volume 17, Issue 4, December 2024.
Abstract We show that a large class of satellite operators are rank‐expanding; that is, they map some rank‐one subgroup of the concordance group onto an infinite linearly independent set. Our work constitutes the first systematic study of this property in the literature and partially affirms a conjecture of the second author and Pinzón‐Caicedo.
Irving Dai, Matthew Hedden, Abhishek Mallick, Matthew Stoffregen   +3 more
wiley   +1 more source

Intersections between some families of (U,N)- and RU-implications [PDF]

, 2011
(U,N)-implications and RU-implications are the generalizations of (S,N)- and R-implications to the framework of uninorms, where the t-norms and t-conorms are replaced by appropriate uninorms. In this work, we present the intersections that exist between (
Baczynski, M, Jayaram, Balasubramaniam
core   +2 more sources

Classification conjectures for Leavitt path algebras

Bulletin of the London Mathematical Society, Volume 56, Issue 10, Page 3011-3060, October 2024.
Abstract The theory of Leavitt path algebras is intrinsically related, via graphs, to the theory of symbolic dynamics and C∗$C^*$‐algebras where the major classification programs have been a domain of intense research in the last 50 years. In this article, we gather together current lines of research in the classification of Leavitt path algebras ...
Guillermo Cortiñas, Roozbeh Hazrat
wiley   +1 more source

Evaluating Docking Site Local Hematoma Formation and Blood Flow on its Healing Using the Accordion Technique at the End of Tibial Bone Transport

Orthopaedic Surgery, Volume 16, Issue 9, Page 2264-2272, September 2024.
Hematoma formation is crucial for the successful treatment of non‐union at the docking site using the ‘accordion’ technique. Objective At present, due to the lack of early observation methods, the effect of the ‘accordion’ technique on the treatment of nonunion of the docking site varies greatly.
Dong Wang, Shao‐Huang Liu, Guo‐Yu He, Ze Zhang, Juan Li, Ru‐Qi Zhang, Jun‐Jun Shi, Ying‐Wei Jia, Hu‐Yun Qiao, Hong Liu, Bao‐Na Wang, Si‐He Qin, Yong‐Hong Zhang   +12 more
wiley   +1 more source

Invariant distributions and the transport twistor space of closed surfaces

Journal of the London Mathematical Society, Volume 109, Issue 5, May 2024.
Abstract We study transport equations on the unit tangent bundle of a closed oriented Riemannian surface and their links to the transport twistor space of the surface (a complex surface naturally tailored to the geodesic vector field). We show that fibrewise holomorphic distributions invariant under the geodesic flow — which play an important role in ...
Jan Bohr, Thibault Lefeuvre, Gabriel P. Paternain   +2 more
wiley   +1 more source

A System of Interaction and Structure

, 2007
This paper introduces a logical system, called BV, which extends multiplicative linear logic by a non-commutative self-dual logical operator. This extension is particularly challenging for the sequent calculus, and so far it is not achieved therein.
Alessio Guglielmi, Bruscoli P., Brünnler K., Brünnler K., Guglielmi A., Guglielmi A., Kahramanoğullari O., Straßburger L., Troelstra A. S.   +8 more
core   +1 more source

Conservation laws and variational structure of damped nonlinear wave equations

Mathematical Methods in the Applied Sciences, Volume 47, Issue 6, Page 3974-3996, April 2024.
All low‐order conservation laws are found for a general class of nonlinear wave equations in one dimension with linear damping which is allowed to be time‐dependent. Such equations arise in numerous physical applications and have attracted much attention in analysis.
Stephen C. Anco, Almudena P. Márquez, Tamara M. Garrido, Maria L. Gandarias   +3 more
wiley   +1 more source

A characterization of heaviness in terms of relative symplectic cohomology

Journal of Topology, Volume 17, Issue 1, March 2024.
Abstract For a compact subset K$K$ of a closed symplectic manifold (M,ω)$(M, \omega)$, we prove that K$K$ is heavy if and only if its relative symplectic cohomology over the Novikov field is nonzero. As an application, we show that if two compact sets are not heavy and Poisson commuting, then their union is also not heavy.
Cheuk Yu Mak, Yuhan Sun, Umut Varolgunes
wiley   +1 more source