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25 papers · 1 filter
On the Slice-Ribbon Conjecture for Montesinos knots
Ana G. Lecuona
We establish the slice-ribbon conjecture for a large family of Montesinos' knots by means of Donaldson's theorem on the intersection forms of definite 4-manifolds.
Polyakov-Wiegmann Formula and Multiplicative Gerbes
Krzysztof Gawedzki, Konrad Waldorf
An unambiguous definition of Feynman amplitudes in the Wess-Zumino-Witten sigma model and the Chern-Simon gauge theory with a general Lie group is determined by a certain geometric…
Adding a New Dimension to DNA Melting Curves
Santiago Cuesta-Lopez, Dimitar Angelov, Michel Peyrard
Standard DNA melting curves record the separation of the two strands versus temperature, but they do not provide any information on the location of the opening. We introduce an exp…
Hydrodynamic equations for self-propelled particles: microscopic derivation and stability analysis
Eric Bertin, Michel Droz, Guillaume Grégoire
Considering a gas of self-propelled particles with binary interactions, we derive the hydrodynamic equations governing the density and velocity fields from the microscopic dynamics…
Statistical mechanics and dynamics of solvable models with long-range interactions
A. Campa, T. Dauxois, S. Ruffo
The two-body potential of systems with long-range interactions decays at large distances as , with , where is the space dimension. Examples are: gravit…
The SAURON Project - XIV. No escape from V: a global and local parameter in early-type galaxy evolution
Nicholas Scott, Michele Cappellari, Roger L. Davies +13
We present the results of an investigation of the local escape velocity (Vesc) - line strength index relationship for 48 early type galaxies from the SAURON sample, the first such…