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Gromov–Hausdorff convergence of metric pairs and metric tuples (2024)
Journal Article
Ahumada Gómez, A., & Che, M. (2024). Gromov–Hausdorff convergence of metric pairs and metric tuples. Differential Geometry and its Applications, 94, Article 102135. https://doi.org/10.1016/j.difgeo.2024.102135


We study the Gromov–Hausdorff convergence of metric pairs and metric tuples and prove the equivalence of different natural definitions of this concept. We also prove embedding, completeness and compactness theorems in this setting.... Read More about Gromov–Hausdorff convergence of metric pairs and metric tuples.

Climate warming shifts riverine macroinvertebrate communities to be more sensitive to chemical pollutants (2024)
Journal Article
Sinclair, T., Craig, P., & Maltby, L. L. (2024). Climate warming shifts riverine macroinvertebrate communities to be more sensitive to chemical pollutants. Global Change Biology, 30(4), Article e17254. https://doi.org/10.1111/gcb.17254

Freshwaters are highly threatened ecosystems that are vulnerable to chemical pollution and climate change. Freshwater taxa vary in their sensitivity to chemicals and changes in species composition can potentially affect the sensitivity of assemblages... Read More about Climate warming shifts riverine macroinvertebrate communities to be more sensitive to chemical pollutants.

Noninvertible symmetries and anomalies from gauging 1-form electric centers (2024)
Journal Article
Anber, M. M., & Chan, S. Y. L. (2024). Noninvertible symmetries and anomalies from gauging 1-form electric centers. Journal of High Energy Physics, 2024(3), Article 169. https://doi.org/10.1007/jhep03%282024%29169

We devise a general method for obtaining 0-form noninvertible discrete chiral symmetries in 4-dimensional SU(N)/ℤp and SU(N) × U(1)/ℤp gauge theories with matter in arbitrary representations, where ℤp is a subgroup of the electric 1-form center symme... Read More about Noninvertible symmetries and anomalies from gauging 1-form electric centers.

Correction to “Anosov flows, growth rates on covers and group extensions of subshifts” (2024)
Journal Article
Dougall, R., & Sharp, R. (2024). Correction to “Anosov flows, growth rates on covers and group extensions of subshifts”. Inventiones Mathematicae, 236(3), 1505-1509. https://doi.org/10.1007/s00222-024-01251-7

This note corrects an error in our paper Anosov flows, growth rates on covers and group extensions of subshifts, Invent. Math. 223:445–483, 2021. This leaves our main results, Theorem 1.1, Corollary 1.2, Theorem 1.3 and Theorem 5.1, unchanged. We als... Read More about Correction to “Anosov flows, growth rates on covers and group extensions of subshifts”.

Anomalies of generalized symmetries from solitonic defects (2024)
Journal Article
Bhardwaj, L., Bullimore, M., Ferrari, A. E. V., & Schäfer-Nameki, S. (2024). Anomalies of generalized symmetries from solitonic defects. SciPost Physics, 16, Article 087. https://doi.org/10.21468/scipostphys.16.3.087

We propose the general idea that ’t Hooft anomalies of generalized global symmetries can be understood in terms of the properties of solitonic defects, which generically are nontopological defects. The defining property of such defects is that they a... Read More about Anomalies of generalized symmetries from solitonic defects.

Squeezed knots (2024)
Journal Article
Feller, P., Lewark, L., & Lobb, A. (online). Squeezed knots. Quantum Topology, https://doi.org/10.4171/qt/187

Squeezed knots are those knots that appear as slices of genus-minimizing oriented smooth cobordisms between positive and negative torus knots. We show that this class of knots is large and discuss how to obstruct squeezedness. The most effective obst... Read More about Squeezed knots.

A non-perturbative mixed anomaly and fractional hydrodynamic transport (2024)
Journal Article
Davighi, J., Lohitsiri, N., & Poovuttikul, N. (2024). A non-perturbative mixed anomaly and fractional hydrodynamic transport. Journal of High Energy Physics, 2024(3), 42-55. https://doi.org/10.1007/jhep03%282024%29119

We present a new non-perturbative ’t Hooft anomaly afflicting a quantum field theory with symmetry group G = U(1) × ℤ2 in four dimensions. We use the Adams spectral sequence to compute that the bordism group (BG), which classifies anomalies that rema... Read More about A non-perturbative mixed anomaly and fractional hydrodynamic transport.