Mathematics
Heat Kernel
100%
Sub-Laplacian
66%
Asymptotic Expansion
57%
Operator
55%
Partial Differential Operators
52%
Uniform Asymptotic Expansion
52%
Optimal Bound
43%
Linear Difference Equation
42%
Fundamental Solution
39%
Special Functions
37%
Vector Field
37%
Second-order Difference Equations
36%
Half-plane
34%
Error Bounds
32%
Elliptic Operator
26%
Laplace's Method
25%
Stationary Phase
24%
Form
22%
Denote
22%
Steepest Descent
22%
Infinite Interval
21%
Asymptotic Solution
20%
Hamilton-Jacobi Equation
19%
Heisenberg Group
19%
Bessel Functions
19%
Integrand
18%
Laplace
17%
Sub-Riemannian Geometry
17%
Orthogonal Polynomials
16%
Gauss Hypergeometric Function
16%
Geodesic
15%
Linearly
14%
Exponent
14%
Sharp Bound
13%
Absolute value
11%
Truncation
11%
Integral Representation
11%
Modified Equations
10%
Brackets
9%
Sum of squares
9%
Integer
9%
Non-negative
8%
Term
6%
Interpretation
6%
Arbitrary
6%
Coefficient
6%
Invariant
5%
Physics & Astronomy
optical waveguides
35%
operators
34%
refractivity
25%
heat
24%
expansion
22%
descent
22%
profiles
19%
approximation
19%
polynomials
10%
eigenvalues
10%
geometry
10%
waveguides
8%