activity
20082020
most citedMcKay correspondence and the branching law for finite subgroups of

5 citations · 5 across the 5 of their papers we have counts for

collaborators

6 papers

q-fin.PM2020

Generalized distance to a simplex and a new geometrical method for portfolio optimization

Frédéric Butin

Risk aversion plays a significant and central role in investors' decisions in the process of developing a portfolio. In this framework of portfolio optimization we determine the po…

q-fin.TR2020

A bounded operator approach to technical indicators without lag

Frédéric Butin

In the framework of technical analysis for algorithmic trading we use a linear algebra approach in order to define classical technical indicators as bounded operators of the space…

math.RT2013

Branching Law for the Finite Subgroups of SL(4,C)

Frédéric Butin

In the framework of McKay correspondence we determine, for every finite subgroup of , how the finite dimensional irreducible representations of $\mathb…

math-ph2012

Hochschild Cohomology of Cubic Surfaces

Frédéric Butin

We consider the polynomial algebra and the polynomial , where . Our aim is…

math.RT2009★ 5 cited

McKay correspondence and the branching law for finite subgroups of

Frédéric Butin, Gadi S. Perets

Given a finite subgroup of , we determine how an arbitrary finite dimensional irreducible representation of decomposes under…

math-ph2008

Poisson Homology in Degree 0 for some Rings of Symplectic Invariants

Frédéric Butin

Let $\go{g}$ be a finite-dimensional semi-simple Lie algebra, $\go{h}$ a Cartan subalgebra of $\go{g}$, and its Weyl group. The group acts diagonally on $V:=\go{h}\oplus\go…