Results 41 to 50 of about 77,930 (235)

Equivariant toric geometry and Euler–Maclaurin formulae

Communications on Pure and Applied Mathematics, Volume 79, Issue 3, Page 451-557, March 2026.
Abstract We first investigate torus‐equivariant motivic characteristic classes of toric varieties, and then apply them via the equivariant Riemann–Roch formalism to prove very general Euler–Maclaurin‐type formulae for full‐dimensional simple lattice polytopes.
Sylvain E. Cappell, Laurenţiu Maxim, Jörg Schürmann, Julius L. Shaneson   +3 more
wiley   +1 more source

The Influence of Generalist Predator and Michaelis–Menten Harvesting in a Holling–Tanner Model

Axioms
In this paper, a Holling–Tanner predator–prey model with generalist predators and Michaelis–Menten-type prey harvesting is investigated. We analyze the existence and stability of equilibria and find the system has at most three positive equilibria.
Tanglei Huang, Huiling Wu, Zhong Li
doaj   +1 more source

Bifurcaciones de codimensión 2 en un modelo dinámico del mercado potencial y actual: aplicación al mercado cervecero español = Bifurcations of Codimension 2 in a Dynamical Model of Current and Potential Market: An Application to the Spanish Beer Market [PDF]

Revista de Métodos Cuantitativos para la Economía y la Empresa, 2009
En este trabajo, a partir de la continuación de las bifurcaciones de codimensión 1 en un modelo dinámico discreto aplicado al mercado actual y potencial de las organizaciones, se establecen las condiciones necesarias para la existencia de bifurcaciones ...
Velasco Morente, Francisco, Nadal Morales, Purificación, González Abril, Luis, Ortega Ramírez, Juan Antonio   +3 more
doaj  

Singular points of H\"older asymptotically optimally doubling measures [PDF]

, 2013
We consider the question of how the doubling characteristic of a measure determines the regularity of its support. The question was considered by David, Kenig, and Toro for codimension-1 under a crucial assumption of flatness, and later by Preiss, Tolsa,
Lewis, Stephen
core  

Warped embeddings between Einstein manifolds

, 2010
Warped embeddings from a lower dimensional Einstein manifold into a higher dimensional one are analyzed. Explicit solutions for the embedding metrics are obtained for all cases of codimension 1 embeddings and some of the codimension n>1 cases.
HUAN-XIONG YANG, Klebanov I. R., Leblond F., LIU ZHAO   +3 more
core   +1 more source

Entropy rigidity for cusped Hitchin representations

Journal of Topology, Volume 19, Issue 1, March 2026.
Abstract We establish an entropy rigidity theorem for Hitchin representations of geometrically finite Fuchsian groups which generalizes a theorem of Potrie and Sambarino for Hitchin representations of closed surface groups. In the process, we introduce the class of (1,1,2)‐hypertransverse groups and show for such a group that the Hausdorff dimension of
Richard Canary, Tengren Zhang, Andrew Zimmer   +2 more
wiley   +1 more source

Codimension Two Branes in Einstein-Gauss-Bonnet Gravity

, 2005
Codimension two branes play an interesting role in attacking the cosmological constant problem. Recently, in order to handle some problems in codimension two branes in Einstein gravity, Bostock {\it et al.} have proposed using six-dimensional Einstein ...
H. M. Lee, I. Navarro, I. Navarro, J. Garriga, J. Louko, J.-W. Chen, J. E. Lidsey, J. E. Lidsey, J. M. Cline, M. Trodden, Peng Wang, R. Gregory, S. Kanno, S. Nojiri, S. M. Carroll, X. Meng, Xin-He Meng   +16 more
core   +1 more source

Witten genera of complete intersections

Bulletin of the London Mathematical Society, Volume 58, Issue 2, February 2026.
Abstract We prove vanishing results for Witten genera of string generalized complete intersections in homogeneous Spinc$\text{Spin}^c$‐manifolds and in other Spinc$\text{Spin}^c$‐manifolds with Lie group actions. By applying these results to Fano manifolds with second Betti number equal to one we get new evidence for a conjecture of Stolz.
Michael Wiemeler
wiley   +1 more source

On Bloch’s map for torsion cycles over non-closed fields

Forum of Mathematics, Sigma, 2023
We generalize Bloch’s map on torsion cycles from algebraically closed fields to arbitrary fields. While Bloch’s map over algebraically closed fields is injective for zero-cycles and for cycles of codimension at most two, we show that the generalization ...
Theodosis Alexandrou, Stefan Schreieder
doaj   +1 more source

On the Singular Scheme of Split Foliations

, 2014
We prove that the tangent sheaf of a codimension one locally free distribution splits as a sum of line bundles if and only if its singular scheme is arithmetically Cohen-Macaulay.
Corrêa Jr, Maurício, Jardim, Marcos, Martins, Renato Vidal   +2 more
core   +1 more source