Conditionally positive definite kernels in Hilbert
$$C^*$$
C
∗
-modules
2004 ◽
Vol 294
(1)
◽
pp. 345-359
◽
2004 ◽
Vol 15
(3)
◽
pp. 357-371
◽
2013 ◽
Vol 243
◽
pp. 152-163
◽