From 58238ffe26be32382a6b9cc6aada94b9badc5170 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Wed, 4 May 2016 09:12:46 -0400
Subject: [PATCH] Add \Zn, \Qn, \Rn, and \Cn macros for the standard product
 spaces.

---
 mjo-common.tex | 12 ++++++++++++
 mjo-cone.tex   |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/mjo-common.tex b/mjo-common.tex
index c2f9dd7..88bdc1d 100644
--- a/mjo-common.tex
+++ b/mjo-common.tex
@@ -22,3 +22,15 @@
 
 % A pair of things.
 \providecommand*{\pair}[2]{ \left( {#1}, {#2} \right) }
+
+% The integral n-space, Z x Z x Z x ... x Z.
+\providecommand*{\Zn}[1][n]{ \mathbb{Z}^{{#1}} }
+
+% The rational n-space, Q x Q x Q x ... x Q.
+\providecommand*{\Qn}[1][n]{ \mathbb{Q}^{{#1}} }
+
+% The real n-space, R x R x R x ... x R.
+\providecommand*{\Rn}[1][n]{ \mathbb{R}^{{#1}} }
+
+% The complex n-space, C x C x C x ... x C.
+\providecommand*{\Cn}[1][n]{ \mathbb{C}^{{#1}} }
diff --git a/mjo-cone.tex b/mjo-cone.tex
index 1199d4f..443d700 100644
--- a/mjo-cone.tex
+++ b/mjo-cone.tex
@@ -14,7 +14,7 @@
 %
 
 % The nonnegative orthant in the given number of dimensions.
-\newcommand*{\Rnplus}[1][n]{ \mathbb{R}^{{#1}}_{+} }
+\newcommand*{\Rnplus}[1][n]{ \Rn[#1]_{+} }
 
 % The Lorentz ``ice-cream'' cone in the given number of dimensions.
 \newcommand*{\Lnplus}[1][n]{ \mathcal{L}^{{#1}}_{+} }
-- 
2.43.2