*
Cococubed.com

Sparse Matrices from
Reaction Networks and Stellar Evolution

Home

Astronomy Research
   2024 Radiative Opacity
   2024 Neutrino Emission from Stars
   2023 White Dwarfs & 12C(α,γ)16O
   2023 MESA VI
   2022 Earendel, A Highly Magnified Star
   2022 Black Hole Mass Spectrum
   2021 Skye Equation of State
   2021 White Dwarf Pulsations & 22Ne
   Software Instruments

AAS Journals
   2024 AAS YouTube
   2024 AAS Peer Review Workshops

2024 ASU Energy in Everyday Life
2024 MESA Classroom
Outreach and Education Materials

Other Stuff:
   Bicycle Adventures
   Illustrations
     Introductory Astronomy
     Energy in Everyday Life
     Geometry of Art and Nature
     Seedhead phyllotaxis
     Calculus
     Logos and Motifs
     Nifty HR diagrams
     Supernova 1987A
     Unknown Pleasures
     Reaction network matrices
     Nuclide charts
   Presentations



Contact: F.X.Timmes
my one page vitae,
full vitae,
research statement, and
teaching statement.

This page discusses aspects of these reaction network Jacobians. This page discusses aspects of the MESA Jacobians. Code for the reaction networks is here, and MESA can be obtained here.

image
13 isotope alpha-chain
image
19 isotope alpha-chain
image
torch 47 isotopes
image
torch 76 isotopes
image
torch 127 isotopes
image
torch 200 isotopes
image
torch 487 isotopes
image
block tridiagonal
image

MESA's 3 zone structure