The many scientific meanings of superscript plus (TeX: {?}^+)

examples.md

General form: base-superscript-+

meaning	TeX	field	source
		Math
Natural numbers from 1	\mathcal{N}^+	number theory	wiki:Natural number
positive semi-orbit	O^+, \gamma_{x}^{+}	dynamical systems	paper, wiki:Orbit
moduli space of trajectories	M^+	Geometric Topology	arxiv:1404.4561
orthogonal decomposition into eigenspace	S^+	Geometric Topology	arxiv:1404.4561
self-dual 2-forms on X	\Lambda^+ X	Geometric Topology	arxiv:1404.4561
Dirac operator	D_A^+	Geometric Topology	arxiv:1404.4561
positive spectral subspace	H^+	Geometric Topology	arxiv:1404.4561
“oriented” Grassmannian	\mathrm{Gr}^+	Symplectic Geometry	arxiv:1311.0547 example 3.5
tends to positive side of 0	\rightarrow 0^+	analysis of PDEs	arxiv:1512.02944, eq 41, 42
space of distributions / linear algebra	K^+	distributional methods	DLMF:2.6.37
		Physics
x of outer horizon	x^+	High Energy Physics	arXiv:1311.3966, eq 5.4
positron / anti-electron	e^+, \beta^+	Particle Physics	wiki:Positron
the projector pair (P^-,P^+) is a "gap"	P^+	nuclear experiment	arXiv:0708.1493, eq 1
RPA eigenmode operators	O_\lambda^+	nuclear experiment	arXiv:0708.1493, eq 3
quantum number	1^+	quantum mechanics	wiki:Q-number
		Chemistry
positive ion	\mathrm{Na}^+	chemistry	wiki:Ion
		Biology
wild-type marker gene	w^+	fly genetics	Drosophila Primer
		Computer Science
set of non-empty finite words over alphabet Sigma	\Sigma^+	Formal languages	arxiv:0901.1397
notation alias for custom proposition	\rightarrow^+	Logic in Computer Science	arxiv:cs0208033
		Economics
absolute value notation	E[(S-K)^+]	Pricing of Securities	arXiv:1302.5548, pre section 2

Related subscripts found in passing

meaning	TeX	field	source
outer horizon	r_+	High Energy Physics	arxiv:1706.03430, eq 2.3
integer variable	l_+	symplectic geometry	arxiv:1311.0547, eq 3.1
smooth lift	\mathfrak{U}_+	Geometric Topology	arxiv:1404.4561
submanifold	[ \mathfrak{C}_+ ]	Geometric Topology	arxiv:1404.4561
map	\mathrm{ev}_+	Geometric Topology	arxiv:1404.4561