activity
20162026
most citedSpeeding up the universe using dust with pressure

130 citations · 730 across the 46 of their papers we have counts for

collaborators
Showing 2026Show all

5 papers · 1 filter

math.PR2026

Least singular values of Gaussian matrices with deterministic shifts

Xuanang Hu, Zeyan Song, Xinglong Wu

Let be a deterministic real square matrix and a standard Gaussian matrix. We determine $\E\smin(A+G)$, up to universal constants, in terms of the singular values of . Th…

gr-qc2026

The macroscopic precession model of quasi-periodic oscillations for rotating compact objects

Orlando Luongo, Marco Muccino

The relativistic precession model (RPM) interprets the twin kilohertz quasi-periodic oscillations (QPOs) as geodesic frequencies of test particles orbiting in the spacetime of X-ra…

astro-ph.GA2026

Testing dark matter density profiles based on Padé approximants of different orders

Talgar Konysbayev, Orlando Luongo, Marco Muccino +5

We investigate whether low-order Padé rational functions can be used as empirical density profiles for modeling dark matter halos from galaxy RCs. We introduce three parameterizati…

astro-ph.CO2026

No evidence for dynamical dark energy from the Combo correlation of GRBs

Marco Muccino, Massimo Della Valle, Luca Izzo +1

Recently, the Dark Energy Spectroscopic Instrument (DESI) collaboration has presented results indicating that dark energy may exhibit dynamical behavior. Calibrated gamma-ray burst…

astro-ph.CO2026

Tightening Cosmological Constraints Within and Beyond CDM Using Gamma-Ray Bursts Calibrated with Type Ia Supernovae

Wei Hong, Luca Izzo, Massimo Della Valle +3

Context. Gamma-ray bursts (GRBs) reach redshifts beyond Type Ia supernovae (SNe Ia) and can extend distance measurements into the early Universe, but their use as distance indicato…