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Jason Kristiano

@jkristiano

Theoretical cosmologist at Kyoto University (https://jkristiano.github.io)

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Posts 16.02.2024
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Latest posts by Jason Kristiano @jkristiano

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@mmylova.bsky.social hi Maria, we are in Kyoto now!

11.09.2025 13:18 👍 1 🔁 0 💬 1 📌 0
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Inflationary background renormalization In cosmic inflation, non-linearities of the curvature perturbation can induce backreaction to the background. To obtain observational predictions at non-linear order on the correct background, one has...

New paper today! arxiv.org/abs/2504.18514

28.04.2025 14:09 👍 1 🔁 0 💬 0 📌 0

Exactly!

02.12.2024 15:02 👍 1 🔁 0 💬 0 📌 0
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Discussing in \hbar at LeCosPa!

02.12.2024 15:02 👍 0 🔁 0 💬 0 📌 0
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Stay in National Taiwan University for the next 2 weeks. Surprisingly station in Taipei is similar to Tokyo!

01.12.2024 15:56 👍 2 🔁 0 💬 1 📌 0

Exactly!

16.11.2024 10:03 👍 1 🔁 0 💬 0 📌 0

Loop correction in inflation, in particular discussing my paper. Perhaps you know the man standing in the last photo 😀

16.11.2024 06:31 👍 1 🔁 0 💬 1 📌 0
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Pisa city

16.11.2024 06:29 👍 1 🔁 0 💬 0 📌 0
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Visiting Scuola Normale at Pisa

16.11.2024 06:28 👍 1 🔁 0 💬 0 📌 0
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Workshop at CERN

16.11.2024 06:25 👍 4 🔁 0 💬 1 📌 0

Thanks Maria! Actually I have been following you in X with the same profile picture, and I know you move here from X 😄

16.11.2024 06:20 👍 0 🔁 0 💬 0 📌 0
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Where are All the Primordial Black Holes?

Where are All the Primordial Black Holes?

30.05.2024 18:51 👍 4 🔁 2 💬 1 📌 0