Magnetic fields in hot stars

Get Complete Project Material File(s) Now! » Origin of the magnetic field in hot stars The dynamo hypothesis In cool stars, such as the Sun, the magnetic field is generated by a dynamo in the convec-tive envelope. The dynamo is...

Razor-thin discs and swing amplification 

Get Complete Project Material File(s) Now! » Secular diffusion The work presented in this chapter is based on Fouvry et al. (2015d,b, 2016a,b). Introduction The previous chapter described the typical fate of self-gravitating systems which can be briefly summed up...

Star formation in the Large Magellanic Cloud

Get Complete Project Material File(s) Now! » Shortcomings of the model The shock model described here is not complete and do not, at the moment, include all known physical and chemical processes which are thought to be occuring in interstellar...

Comparison of the predictive distributions associated with the estimators (MLE and MAP) and the full posterior distribution

Get Complete Project Material File(s) Now! » Reference priors for multiparametric models Previously, we dealt with the case of one-parameter models. Naturally, in the case of multiparameter models, it is always possible to view the list of parameters as one...

Optimal high frequency trading with limit and market orders 

Get Complete Project Material File(s) Now! » Qualitative observations and context High-frequency trading is the use of automated strategies to trade securities such as cash equities, currencies or derivatives, with the distinguishing feature that positions are held for a very...

Idiosyncrasies of herbivore mammal responses to land-use changes in a region increasingly affected by agribusiness in the Cerrado hotspot

Get Complete Project Material File(s) Now! » Mammalian responses The analysed papers included responses of 99 species of the 150 non-volant terrestrial mammals present in Cerrado (Table 2). I found 37 papers covering the topic of non-volant mammal responses to...

New FETI as a hybrid between one and two Lagrange methods

Get Complete Project Material File(s) Now! » FETI with one Lagrange Multiplier The previous ideas are now formalized for the general case where we have Ns > 2 subdomains. Using any non-overlapping partition of the domain into subdomains (s), s...

Asymptotic expansions in central and local limit theorems for products of random matrices

Get Complete Project Material File(s) Now! » Notation and preliminaries We first fix some notation. We denote by c or C a constant whose value may change from line to line. For a set B, we use the symbols 1B,...

The Nature of Price Returns During Periods of High Market Activity 

Get Complete Project Material File(s) Now! » Realized Variance Versus Number of Trades It is widely known that, in a good approximation, the variance over some period of time is proportional to the number of trades during that time period...

An approximate solution for options market-making in high dimension 

Get Complete Project Material File(s) Now! » Option market-making algorithms in high dimension In this part of the thesis we leave aside the viewpoint of the exchange to focus on the problem of the trader. Two central topics for traders...