activity
20242026
most citedConstraints on Interacting Dark Energy Models from the DESI Baryon Acoustic Oscillation and DES Supernovae Data

126 citations · 378 across the 30 of their papers we have counts for

collaborators

35 papers

astro-ph.CO2026

Assessing the consistency of the CPL dark-energy model with cosmological data: Simulation-calibrated neural posterior disagreement

Tian-Yang Sun, Tian-Nuo Li, Guo-Hong Du +3

Recent DESI observations hint at a preference for dynamical dark energy with an equation of state that crosses the phantom divide within the Chevallier-Polarski-Linder (CPL) parame…

astro-ph.CO2026

Constraints on interacting dark energy with a constant equation of state in light of DESI DR2: The role of the interaction term

Zhao-Yu Li, Tian-Nuo Li, Guo-Hong Du +4

Recent DESI baryon acoustic oscillation (BAO) analyses suggest a preference for an evolving dark energy equation of state (EoS) that crosses the phantom divide . Interactions…

math.CO2026

A chain theorem for planar PM-compact bricks

Yaxian zhang, Qiuli Li, Fuliang Lu

A connected graph is matching covered if it contains at least one edge and every edge belongs to some perfect matching of . A matching covered graph is a brick if it is 3-co…

astro-ph.CO2026★ 6 cited

Dark Energy in the DESI Era: A Brief Review of Evidence, Beyond-CDM Interpretations, and Tensions

Tian-Nuo Li, Guo-Hong Du, Hao Wang +3

Recent baryon acoustic oscillation measurements from DESI provide important new clues for reassessing whether the standard CDM model offers a sufficient description of the late-…

astro-ph.CO2026

Neutrino mass constraints in the Schwarzschild-de Sitter black-hole dark energy model with ACT DR6 and DESI DR2 data

Sheng-Han Zhou, Tian-Nuo Li, Guo-Hong Du +4

Recent DESI observations have posed new challenges to CDM, showing a preference for dynamical dark energy and yielding neutrino mass constraints within CDM that approach the…

astro-ph.CO2026★ 8 cited

Metastability in Emergent Dark Energy: A New Framework Confronting Cosmological Observations

Xiaolei Li, Tonghua Liu, Tian-Nuo Li +3

We propose the Metastable Emergent Dark Energy (MEDE) model, a novel phenomenological extension of the Phenomenological (PEDE) and Generalized (GEDE) Emergent Dark Energy framework…

astro-ph.CO2026

Neutrino mass constraints in interacting dark energy models after DESI DR2

Hui Li, Guo-Hong Du, Tian-Nuo Li +4

Recent DESI observations indicate a deviation from the CDM model, showing a preference for dynamical dark energy and thereby relaxing the upper limit on the neutrino mass within…

astro-ph.CO2026

Resolving the Hubble Tension in the Early Dark Energy Framework with JWST and DESI Data

Guo-Hong Du, Tian-Nuo Li, Lu Yin +4

In the JWST and DESI era, the JWST high-redshift galaxy observations and DESI baryon acoustic oscillation (BAO) measurements severely challenge the standard CDM model, while the…

astro-ph.CO2026★ 6 cited

Model-Independent Reconstruction of Quintessence Potential and Kinetic Energy from DESI DR2 and Pantheon+ Supernovae

Shengjia Wang, Tian-Nuo Li, Tonghua Liu +1

We present a model-independent reconstruction of the quintessence scalar field's dynamics-both its potential and kinetic energy-directly from the latest cosmological observations.…

astro-ph.CO2026★ 5 cited

Measuring neutrino mass in light of ACT DR6 and DESI DR2

Lu Feng, Tian-Nuo Li, Guo-Hong Du +2

The recent release of high-precision cosmological data, particularly the small-scale cosmic microwave background (CMB) measurements from ACT and baryon acoustic oscillation (BAO) d…

astro-ph.CO2026★ 4 cited

Evidence for deviation in gravitational light deflection from general relativity at cosmological scales with KiDS-Legacy and CMB lensing

Guo-Hong Du, Tian-Nuo Li, Tonghua Liu +2

General relativity (GR) faces challenges from cosmic acceleration and observational tensions, necessitating stringent tests at cosmological scales. In this work, we probe GR deviat…

astro-ph.CO2026

Joint constraints on cosmic birefringence and early dark energy from ACT, Planck, DESI, and PantheonPlus

Lu Yin, Guo-Hong Du, Tian-Nuo Li +1

With the increasing number of high-precision astronomical observations, physical quantities that were previously inaccessible to accurate calculations, such as cosmic birefringence…

astro-ph.CO2026

Simultaneous determination of Hubble constant and cosmic baryon density: Forecasts for the synergy between FRBs and emerging probes

Peng-Ju Wu, Bo-Yang Zhang, Ji-Guo Zhang +3

Two of the most pressing challenges in cosmology are the persistent discrepancy in measurements of the Hubble constant, referred to as the Hubble tension, and the deficit of baryon…

astro-ph.CO2026★ 1 cited

Robust Preference for Dark Sector Interactions

Tian-Nuo Li, William Giarè, Guo-Hong Du +4

Recent DESI baryon acoustic oscillation data reveal deviations from CDM cosmology, conventionally attributed to dynamical dark energy (DE). We demonstrate that these deviations…

astro-ph.CO2025

Prospects for cosmological research using hundred-meter-class radio telescopes: 21-cm intensity mapping survey strategies with QTT, JRT, and HRT

Jun-Da Pan, Yichao Li, Guo-Hong Du +2

Understanding dark energy requires precision measurements of the expansion history of the universe and the growth of large-scale structure. The 21 cm intensity mapping (21 cm IM) t…

astro-ph.CO2025★ 20 cited

Robust evidence for dynamical dark energy in light of DESI DR2 and joint ACT, SPT, and Planck data

Tian-Nuo Li, Guo-Hong Du, Sheng-Han Zhou +3

Recent baryon acoustic oscillation (BAO) measurements released by DESI, when combined with cosmic microwave background (CMB) data and type Ia supernova (SN) data, suggest a signifi…

astro-ph.CO2025★ 3 cited

Gravitational wave standard sirens from GWTC-3 combined with DESI DR2 and DESY5: A late-universe probe of the Hubble constant and dark energy

Ji-Yu Song, Guo-Hong Du, Tian-Nuo Li +4

Recently, the combination of the Dark Energy Spectroscopic Instrument (DESI) Data Release 2 (DR2) baryon acoustic oscillation (BAO) data and the Planck cosmic microwave background…

astro-ph.CO2025★ 2 cited

Examining a new form of non-standard dark matter using DESI DR2 data

Yan-Hong Yao, Yi-Hao Shen, Tian-Nuo Li +2

In this work, we propose a non-standard dark matter (NSDM) model in which the equation of state (EoS) of dark matter (DM) is parameterized as , and this DM mo…

astro-ph.CO2025

Model-independent late-universe measurements of and with the parametrization based on cosmic age-improved inverse distance ladder

Guo-Hong Du, Tian-Nuo Li, Jia-Le Ling +3

The standard model has encountered serious challenges and the tension has become more significant with increasingly precise cosmological observations. Meanwhile,…

astro-ph.CO2025★ 1 cited

Alleviating the tension through the interacting dark energy model from quantum gravitational field theory in light of DESI DR2

Yi-Min Zhang, Tian-Nuo Li, Guo-Hong Du +4

Recent DESI DR2 data has shown a significant preference for dynamical dark energy, yet this has further exacerbated the tension. In this work, we explore the potential of int…

astro-ph.CO2025★ 1 cited

Updated constraints on interacting dark energy: A comprehensive analysis using multiple CMB probes, DESI DR2, and supernovae observations

Tian-Nuo Li, Guo-Hong Du, Yun-He Li +4

Recent DESI baryon acoustic oscillation (BAO) measurements, combined with Planck cosmic microwave background (CMB) data and DESY5 type Ia supernova (SN) data, indicate a significan…

astro-ph.CO2025★ 12 cited

Measuring neutrino masses with joint JWST and DESI DR2 data

Sheng-Han Zhou, Tian-Nuo Li, Guo-Hong Du +3

Early JWST observations reveal an unexpectedly abundant population of high-redshift candidate massive galaxies at , and recent DESI measurements show a preference for…

astro-ph.CO2025★ 24 cited

Exploring non-cold dark matter in a scenario of dynamical dark energy with DESI DR2 data

Tian-Nuo Li, Peng-Ju Wu, Guo-Hong Du +3

Recent observations of DESI hint that dark matter (DM) may not be cold but have a non-zero equation of state (EoS) parameter, and that dark energy (DE) may not be a cosmological co…

astro-ph.CO2025

Cosmological preference for a positive neutrino mass at 2.7: A joint analysis of DESI DR2, DESY5, and DESY1 data

Guo-Hong Du, Tian-Nuo Li, Peng-Ju Wu +2

Neutrinos and dark energy (DE) have entered a new era of investigation, as the latest DESI baryon acoustic oscillation measurements tighten the constraints on the neutrino mass and…