Hot answers tagged bottle-conditioning
The yeast is dormant, not likely dead. Leave them in a warm place for a couple weeks or so and they should be fine.
Many moons ago, I did a test on freezing yeast (the dregs from various Trappist types). After a few weeks in the freezer I thawed them gently and made a little starter culture of each one; they were slow taking off, but certainly some of the yeast had survived. I think you should be fine.
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