Please see the included file "COPYRIGHTS" in "inst" directory for details about licenses as well as copyrights. In short: - directories "Spectra" and "RMatOp" as well as files "RMatOp.h" and "SymEigs.h" are licensed under the MPL-2 (a version of which is included in the file COPYRIGHT), - directory "rsvd" is licensed as BSD_3_clause.