- PAPX
- Pennsylvania Pullmans Incorporated (Regional » Railroads)
Abbreviations dictionary. 2012.
PAPX
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PAPX — abbr. Pennsylvania Pullmans Incorporated [railway pool code] … Dictionary of abbreviations
Min-max theorem — Variational theorem redirects here. The term is also sometimes applied to the variational principle. In linear algebra and functional analysis, the min max theorem, or variational theorem, or Courant–Fischer–Weyl min max principle, is a result… … Wikipedia
