3 papers
cond-mat.stat-mech2025
Top eigenpair statistics of diluted Wishart matrices
Barak Budnick, Preben Forer, Pierpaolo Vivo +3
Using the replica method, we compute the statistics of the top eigenpair of diluted covariance matrices of the form , where is a…
q-fin.RM2025
Financial instability transition under heterogeneous investments and portfolio diversification
Preben Forer, Barak Budnick, Pierpaolo Vivo +3
We analyze the stability of financial investment networks, where financial institutions hold overlapping portfolios of assets. We consider the effect of portfolio diversification a…
q-fin.RM2025
Phase transitions in debt recycling
Sabrina Aufiero, Preben Forer, Pierpaolo Vivo +2
Debt recycling is an aggressive equity extraction strategy that potentially permits faster repayment of a mortgage. While equity progressively builds up as the mortgage is repaid m…