α
α
α
1.
X A X µ
A
: X →
[0, 1] X [0, 1] A = {(a, µ
A
(a))|a ∈ X} µ
A
µ
A
(a) ∈ [0, 1] a
A µ
A
[0, 1] 0
1
A = {(a, µ
A
(a))|a ∈ X} µ
A
A µ
A
(a) = 0
a ∈ X. A µ
A
(a) = 1,
a ∈ X.
µ ν X µ ν
µ ν µ = ν
s∈R
min{x(s), y(s − t)}, ∀x, y ∈ E, ∀t ∈ R,(1.0.6)
(x · y)(t) = sup
s∈R
min
x(s), y
t
s
, ∀x, y ∈ E, ∀t ∈ R,(1.0.7)
(x/y)(t) = sup
s∈R
min{x(ts), y(s)}, ∀x, y ∈ E, ∀t ∈ R.(1.0.8)
x ∈ R
0 1 E
0(t) =
1 t = 0,
0 t = 0.
1(t) =
1 t = 1,
0 t = 1.
x ∈ R x(t) = 0(t − x) t ∈ R.
x ∈ R t ∈ R
0(t − x) =
1 t − x = 0,
a
α
, b
α
a
α
∞ b
α
∞
− ∞, b
α
a
α
, +∞
X ∅ λ
α
: X × X → R X × X
R α ∈ (0, 1] α
1
, α
2
∈ (0, 1] α
1
< α
2
α
=
λ
α
(x, y), ρ
α
(x, y)
,(1.0.11)
x, y ∈ X λ ρ (X, d, L, R)
(i.) d(x, y) = 0 x = y,
(ii.) d(x, y) = d(y, x) x, y ∈ X,
(iii.) x, y, z ∈ X
(1.) d(x, y)(s + t) L
d(x, z)(s), d(z, y)(t)
s λ
1
(x, z) t λ
1
(z, y) s + t λ
1
(x, y)
(2.) d(x, y)(s + t) R
d(x, z)(s), d(z, y)(t)
inf
t∈R
F (t) = 0 sup
t∈R
F (t) = 1
D
X ∅ F : X × X → D
X × X D x, y ∈ X
F
xy
= F(x, y) (X, F )
F
xy
F
xy
(t) = 1 t > 0 x = y,
F
xy
(0) = 0 x, y ∈ X,
F
xy
(t) = F
yx
(t) t ∈ R x, y ∈ X,
F
xz
(t) = 1 F
zy
(s) = 1 F
xy
(r)
, x, y, z ∈ X, s, r 0
L R ∆
T
1
(a, b) = max(a + b − 1, 0) (max( − 1, 0))
T
2
(a, b) = ab ( )
T
3
(a, b) = min(a, b) (min)
T
4
(a, b) = max(a, b) (max)
T
5
(a, b) = a + b − ab ( )
T
6
(a, b) = min(a + b, 1) (min( , 1))
T
i
, i = 1, 2, , 6 i j T
i
(a, b)
T
j
(a, b) a, b ∈ [0, 1]
a
α
2
, b
α
2
[x + y]
α
=
a
α
1
+ a
α
2
, b
α
1
+ b
α
2
,(2.0.12)
[x.y]
α
=
a
,(2.0.14)
[1 x]
α
=
1
b
α
1
,
1
a
α
1
a
α
1
> 0,(2.0.15)
|x|
α
=
max{0, a
α
1
, −b
α
t ∈ [d(x, y)]
α
λ
α
(x, y) t
ρ
α
(x, y).
(2) t ∈ R
+
α ∈ (0, 1] d(x, y)(t) < α.
t ∈ [d(x, y)]
α
t ∈ [λ
α
(x, y), ρ
α
(x, y)] λ
α
(x, y) > t
ρ
α
(x, y) < t.
d(x, y) ∈ G
x, y ∈ X G
0 d(x, y)(t) 1 x, y ∈ X t 0
3.
(X, d, L, R) L R
T
i
xz
(t) = 1 F
zy
(s) = 1
d(x, z)(t) = 0 d(z, y)(s) = 0.
d(x, y)(t + s) L
d(x, z)(t), d(z, y)(t)
= L(0, 0) = 0,
t λ
1
(x, z), s λ
1
(z, y) t + s λ
1
(x, y).
d(x, y)(t + s) R
d(x, z)(t), d(z, y)(t)
= R(0, 0) = 0,
t λ
1
(x, z), s λ
1
(z, y) t + s λ
1
(x, y).
d(x, y) ∈ G d(x, y)(t + s) = 0, t, s ∈ R F
d d(x, y ) = 0. d(x, y) = 0 x = y.
d(x, y) = d(y, x), x, y ∈ X.
x, y, z ∈ X L(a, b) = 0 a, b ∈ [0, 1]
d(x, y)(t + s) 0 = L(d(x, z)(t), d(z, y)(s)), s, t.
d(x, y)(t + s) L(d(x, z)(t), d(z, y)(s)),
s λ
1
(z, y), t λ
1
(x, z) s + t λ
1
(x, y).
s λ
1
(z, y), t λ
1
(x, z) s + t λ
1
(x, y) d(x, z)(t) > 0
d(z, y)(s) > 0 d(x, y)(t + s) > 0 R(a, b) =
0
1
d(x, y)(t + s) R(d(x, z)(t), d(z, y)(s)),
s λ
1
(z, y), t λ
1
(x, z) s + t λ
1
x = y F
xy
(t) = 1 t > 0 t = 0 F
xy
(0) = 0
t
xy
= 0 d(x, y)(t) = 0 t = 0 d(x, y)(0) = 1 d(x, y) = 0
x = y.
x, y ∈ X t ∈ R F F
xy
(t) = F
yx
(t)
d(x, y) = d(y, x), x, y ∈ X.
x, y ∈ X
d(x, y)(t + s) 0 = L
d(x, z)(t), d(z, y)(t)
, t, s ∈ R.
x, y, z ∈ X t, s t
xy
≥ 0
∆(1 − d(x, z)(t), 1 − d(z, y )(s)) = ∆(F
xz
(t), F
zy
(s)) F
xy
∆ ∆(a, b) = 1 − R(1 − a, 1 − b) a, b ∈ [0, 1] (X, F, ∆)
∆ t
d(x, y) ∈ G d(x, y)(t) F
xy
F
xy
F
xy
F
xy
(t) = 1 t > 0 d(x, y)(t) = 0 t > 0
d(x, y)(0) = 1 d(x, y)(t) = 0 t < 0 d(x, y) = 0
x = y
F
xy
(t) = 1 t > 0 x = y.
F
xy
(t) = F
yx
(t) t ∈ R
x, y, z ∈ X s, t 0 d, R
∆
F
xy
(t + s) = 1 − d(x, y)(t + s) 1 − R
d(x, z)(t), d(z, y)(s)
= 1 − R
x, y, z ∈ X s, t 0
(X, F, ∆)
124 8
12
α