Zobrazeno 1 - 10
of 2 028
pro vyhledávání: '"Walker, H A"'
Autor:
Bergner, Julia E., Stern, Walker H.
In this survey article, we review some conceptual approaches to the cyclic category $\Lambda$, as well as its description as a crossed simplicial group. We then give a new proof of the model structure on cyclic sets, work through the details of the g
Externí odkaz:
http://arxiv.org/abs/2409.11945
Autor:
Andriushin, N. D., Grumbach, J., Kulbakov, A. A., Tymoshenko, Y. V., Onykiienko, Y. A., Firouzmandi, R., Cheng, E., Granovsky, S., Skourski, Y., Ollivier, J., Walker, H. C., Kocsis, V., Buchner, B., Keimer, B., Doerr, M., Inosov, D. S., Peets, D. C.
Centrosymmetric compounds which host three-dimensional topological spin structures comprise a distinct subclass of materials in which multiple-$\mathbf{q}$ magnetic order is stabilized by anisotropy and bond frustration in contrast to the more common
Externí odkaz:
http://arxiv.org/abs/2409.10214
Autor:
Haderi, Redi, Stern, Walker H.
Given an operad $\mathcal{O}$, we define a notion of weak $\mathcal{O}$-monoids -- which we term $\mathcal{O}$-pseudomonoids -- in a 2-category. In the special case with the 2-category in question is the 2-category $\mathsf{Cat}$ of categories, this
Externí odkaz:
http://arxiv.org/abs/2404.01031
Autor:
Okay, Cihan, Stern, Walker H.
We introduce a theory of twisted simplicial distributions on simplicial principal bundles, which allow us to capture Bell's non-locality, and the more general notion of quantum contextuality. We leverage the classical theory of simplicial principal b
Externí odkaz:
http://arxiv.org/abs/2403.19808
In this article, we characterize convexity in terms of algebras over a PROP, and establish a tensor-product-like symmetric monoidal structure on the category of convex sets. Using these two structures, and the theory of $\scr{O}$-monoidal categories,
Externí odkaz:
http://arxiv.org/abs/2403.18102
In previous work by the first two authors, Frobenius and commutative algebra objects in the category of spans of sets were characterized in terms of simplicial sets satisfying certain properties. In this paper, we find a similar characterization for
Externí odkaz:
http://arxiv.org/abs/2311.15342
Autor:
Abellán, Fernando, Stern, Walker H.
In this work, we study the notion of cofinal functor of $\infty$-bicategories with respect to the theory of partially lax colimits. The main result of this paper is a characterization of cofinal functors of $\infty$-bicategories via generalizations o
Externí odkaz:
http://arxiv.org/abs/2304.07028
Autor:
Tripathi, Rajesh, Adroja, D. T., Ritter, C., Sharma, Shivani, Yang, Chongli, Hillier, A. D., Koza, M. M., Demmel, F., Sundaresan, A., Langridge, S., Higemoto, Wataru, Ito, Takashi U., Strydom, A. M., Stenning, G. B. G., Bhattacharyya, A., Keen, David, Walker, H. C., Perry, R. S., Pratt, Francis, Si, Qimiao, Takabatake, T.
Publikováno v:
Physical Review B 106, 064436 (2022)
We present the results of muon spin relaxation ($\mu$SR) and neutron scattering on the Ce-based quasikagome lattice CeRh$_{1-x}$Pd$_{x}$Sn ($x=0.1$ to 0.75). Our ZF-$\mu$SR results reveal the absence of static long-range magnetic order down to 0.05~K
Externí odkaz:
http://arxiv.org/abs/2208.03148
Publikováno v:
In Journal of Geometry and Physics January 2025 207
Autor:
Sukhanov, A. S., Tymoshenko, Y. V., Kulbakov, A. A., Cameron, A. S., Kocsis, V., Walker, H. C., Ivanov, A., Park, J. T., Pomjakushin, V., Nikitin, S. E., Morozov, I. V., Chernyavskii, I. O., Aswartham, S., Wolter, A. U. B., Yaresko, A., Büchner, B., Inosov, D. S.
Publikováno v:
Phys. Rev. B 105, 134424 (2022)
The metallic compound FeP belongs to the class of materials that feature a complex noncollinear spin order driven by magnetic frustration. While its double-helix magnetic structure with a period $\lambda_{\text{s}} \approx 5c$, where $c$ is the latti
Externí odkaz:
http://arxiv.org/abs/2201.10358