Conversely, the bankruptcy court has no jurisdiction over a matter that does not affect the debtor.'" CBI Eastchase, L.P. v. Farris (In re e2 Communs., Inc.), No. 05-3051-BJH, 2005 Bankr. LEXIS 3250, at *10 n.5 (Bankr. N.D. Tex. Mar. 24, 2005) (quoting Feld v. Zale Corp. (In re Zale), 62 F.3d 746, 753 (5th Cir. 1995)); Equity Broad Corp. v. Shubert (In re Winstar Communs. Inc.), 284 B.R. 40, 50 (Bankr. D. Del. 2002) (citing Pacor v. Higgins, 743 F.2d 984 (3d Cir. 1984)). Cases arising under or arising in a bankruptcy case are core proceedings, while cases related to a bankruptcy case are non-core proceedings.