Results 51 to 60 of about 10,093 (140)

Topics in Cubic Special Geometry

open access: yes, 2010
We reconsider the sub-leading quantum perturbative corrections to N=2 cubic special Kaehler geometries. Imposing the invariance under axion-shifts, all such corrections (but the imaginary constant one) can be introduced or removed through suitable, lower
Alessio Marrani   +7 more
core   +1 more source

Reverse isoperimetric inequalities for Lagrangian intersection Floer theory

open access: yesBulletin of the London Mathematical Society, Volume 58, Issue 2, February 2026.
Abstract We extend Groman and Solomon's reverse isoperimetric inequality to pseudoholomorphic curves with punctures at the boundary and whose boundary components lie in a collection of Lagrangian submanifolds with intersections locally modelled on Rn∩(Rk×−1Rn−k)$\mathbb {R}^n\cap (\mathbb {R}^{k}\times \sqrt {-1}\mathbb {R}^{n-k})$ inside Cn$\mathbb {C}
J. ‐P. Chassé, J. Hicks, Y. J. Nho
wiley   +1 more source

Real space renormalization group approach to the 2d antiferromagnetic Heisenberg model

open access: yes, 2009
The low energy behaviour of the 2d antiferromagnetic Heisenberg model is studied in the sector with total spins $S=0,1,2$ by means of a renormalization group procedure, which generates a recursion formula for the interaction matrix $\Delta_S^{(n+1)}$ of ...
A. Fledderjohann   +24 more
core   +2 more sources

Sequential Search with Incompletely Informed Consumers: Theory and Evidence from Retail Gasoline Markets [PDF]

open access: yes
A large variety of markets, such as retail markets for gasoline or mortgage markets, are characterized by a small number of firms offering a fairly homogenous product at virtually the same cost, while consumers, being uninformed about this cost ...
Maarten Janssen   +2 more
core  

Entanglement and Density Matrix of a Block of Spins in AKLT Model

open access: yes, 2008
We study a 1-dimensional AKLT spin chain, consisting of spins $S$ in the bulk and $S/2$ at both ends. The unique ground state of this AKLT model is described by the Valence-Bond-Solid (VBS) state.
A. Affleck   +68 more
core   +1 more source

Typha‐based paludiculture offers potential for greater bird species abundance and diversity than drained agricultural grassland

open access: yesEcological Solutions and Evidence, Volume 7, Issue 1, January–March 2026.
Re‐wetting drained peat for Typha paludiculture provides a productive, low‐emission land use that can support diverse bird communities. Across 28 sites in the Netherlands, breeding bird abundance in paludiculture was comparable to that in natural wetlands and more than three times higher than in improved grasslands.
Joshua P. Copping   +7 more
wiley   +1 more source

Seismic Performance of Steel Pipe Pile to Cap Beam Moment Resisting Connections [PDF]

open access: yes, 2013
INE/AUTC 13 ...
Fulmer, Steven J.   +2 more
core  

Dynamic Policies for Cooperative Networked Systems

open access: yes, 2017
A set of economic entities embedded in a network graph collaborate by opportunistically exchanging their resources to satisfy their dynamically generated needs. Under what conditions their collaboration leads to a sustainable economy? Which online policy
Iosifidis, George, Tassiulas, Leandros
core   +1 more source

A semi-analytical approach to Canary swaptions in HJM one-factor model [PDF]

open access: yes
Leveraging the explicit formula for European swaptions and coupon-bond options in HJM one-factor model, we develop a semi-explicit formula for 2-Bermudan options (also called Canary options). We first extend the European swaption formula to future times.
Henrard Marc
core  

Capture in Financial Regulation: Can We Redirect It Toward the Common Good? [PDF]

open access: yes, 2011
“Regulatory capture” is central to regulatory analysis yet is a troublesome concept. It is difficult to prove and sometimes seems refuted by outcomes unfavorable to powerful interests.
Baxter, Lawrence G.
core   +1 more source

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