Dear All, Read, enjoy, and share !
Aschwanden,M.J. 2019, ApJ (Version Feb 27, in press) URL1="http://www.lmsal.com/~aschwand/eprints/2019_twist.pdf" http://www.lmsal.com/~aschwand/eprints/2019_twist.pdf Helical twisting number and braiding linkage number of coronal loops
Best, Markus
____________________ Markus J. Aschwanden Lockheed Martin ATC Solar & Astrophysics Lab. Bldg. 252, Org ADBS 3251 Hanover St. Palo Alto, CA 94304, USA
aschwanden@lmsal.com www.lmsal.com/~aschwand _____________________