Pith Number

pith:YQSQVFZZ

pith:2017:YQSQVFZZ3VHQ3OWOQYVZY5EEAK

not attested not anchored not stored refs resolved

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

S.D. Odintsov, S. Nojiri, V.K. Oikonomou

Modified gravity theories provide workable models for inflation, cosmic bounces, and late-time acceleration using only changes to the gravitational action.

arxiv:1705.11098 v3 · 2017-05-31 · gr-qc · astro-ph.CO · hep-th

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\pithnumber{YQSQVFZZ3VHQ3OWOQYVZY5EEAK}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Claims

C1strongest claim

Using these theories, we present how a viable inflationary era can be produced in the context of these theories, with the viability being justified if compatibility with the latest observational data is achieved. Also we demonstrate how bouncing cosmologies can actually be described by these theories.

C2weakest assumption

The assumption that the reviewed modified gravity models remain consistent with all current observational constraints once higher-order corrections and stability issues are included.

C3one line summary

Modified gravity theories supply viable mathematical frameworks for inflation, bounces, and dark energy eras that match observational data.

References

300 extracted · 300 resolved · 287 Pith anchors

[1] Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant 1998 · arXiv:astro-ph/9805201

[2] Is Cosmic Speed-Up Due to New Gravitational Physics? 2004 · arXiv:astro-ph/0306438

[3] The Cosmological Constant and Dark Energy 2003 · arXiv:astro-ph/0207347

[4] Dark Energy and Modified Gravity 2010 · arXiv:0811.4132

[5] The Physics of Cosmic Acceleration 2009 · arXiv:0903.0866

Formal links

2 machine-checked theorem links

Cited by

38 papers in Pith

Quark Stars in Ricci-Determinant Gravity with an Interacting Quark Equation of State

Integrability of $R^2$ gravity cosmological models with radiation

Probing cosmic dynamics in $f(T)$ teleparallel gravity: Constraints from logarithmic and log-periodic deceleration ansatzes

An Interplay Between Fractional Calculus and Holographic Dark Energy

Inflationary models in a minimally coupled $f(R,T)$ gravity: Constraints from $Planck$, BICEP/$Keck$, and ACT

Receipt and verification

First computed	2026-05-17T23:38:50.719669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4250a9739dd4f0dbace862b9c7484029d689e903d1000e57d777c95e50cbba2

Aliases

arxiv: 1705.11098 · arxiv_version: 1705.11098v3 · doi: 10.48550/arxiv.1705.11098 · pith_short_12: YQSQVFZZ3VHQ · pith_short_16: YQSQVFZZ3VHQ3OWO · pith_short_8: YQSQVFZZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YQSQVFZZ3VHQ3OWOQYVZY5EEAK \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c4250a9739dd4f0dbace862b9c7484029d689e903d1000e57d777c95e50cbba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0a19cb5935d71be3c8210bb34851b98008bf1364240b10cefcb26dd1edc924",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-05-31T13:41:52Z",
    "title_canon_sha256": "014589f61d8a939988e1b5d5bc15f4f3aa9768a74d37b39a630bcadd14ccc169"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.11098",
    "kind": "arxiv",
    "version": 3
  }
}