More wording edits.

1 files changed, 10 insertions, 11 deletions

diff --git a/cover.tex b/cover.tex
index 6e21d10..6f74b46 100644
--- a/cover.tex
+++ b/cover.tex
@@ -44,17 +44,16 @@ a multiplicity of minima. Apart from its obvious relevance to glassy systems,
 it has found applications in many domains: computer science, ecology,
 economics, and biology, to name a few.  \footfullcite{Mezard_2009_Information}
 
-In the last few years, a renewed interest has developed in landscapes for
-which the variables are complex. There are a couple reasons for this: in
-computational physics the `sign problem' is a major obstacle, and a strategy
-has emerged to attack it by deforming the sampling space into complex variables.
-This is a most natural and promising path, and any progress made will have
-game-changing impact in solid state physics and lattice QCD.
-\footfullcite{Cristoforetti_2012_New, Scorzato_2016_The} At a more basic
-level, following the seminal work of E.~Witten, \footfullcite{Witten_2010_A,
-Witten_2011_Analytic} there has been a flurry of activity concerning the very
-definition of quantum mechanics, which also requires that one move into the
-complex plane. 
+Recently, interest has developed in landscapes for which the variables are
+complex. There are several reasons for this: in computational physics the
+`sign problem' is a major obstacle, and a strategy has emerged to attack it by
+deforming the sampling space into complex variables.  This is a most natural
+and promising path, and any progress made will have game-changing impact in
+solid state physics and lattice QCD.  \footfullcite{Cristoforetti_2012_New,
+Scorzato_2016_The} At a more basic level, following the seminal work of
+E.~Witten, \footfullcite{Witten_2010_A, Witten_2011_Analytic} there has been a
+flurry of activity concerning the very definition of quantum mechanics, which
+also requires that one move into the complex plane. 
 
 In these cases, just as in the real case, one needs to understand the structure
 of the `landscape,' like the location of saddle points, how they are connected,