Pith Number

pith:OIUFA7PI

pith:2024:OIUFA7PIVUQTMJ4RUBUSUSIZS5

not attested not anchored not stored refs pending

On $\tau$-preconditioners for a quasi-compact difference scheme to Riesz fractional diffusion equations with variable coefficients

Stefano Serra-Capizzano, Xian-Ming Gu, Xue Zhang, Zi-Hang She

arxiv:2404.10221 v1 · 2024-04-16 · math.NA · cs.NA

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\usepackage{pith}
\pithnumber{OIUFA7PIVUQTMJ4RUBUSUSIZS5}

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Record completeness

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3 Author claim open · sign in to claim

4 Citations open

5 Replications open

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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.

Cited by

1 paper in Pith

An optimal preconditioner for high-order scheme arising from multi-dimensional Riesz space fractional diffusion equations with variable coefficients

Receipt and verification

First computed	2026-07-05T08:08:27.023015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7228507de8ad21362791a0692a49199750d9fa06df440e495ce1acb1685698bb

Aliases

arxiv: 2404.10221 · arxiv_version: 2404.10221v1 · doi: 10.48550/arxiv.2404.10221 · pith_short_12: OIUFA7PIVUQT · pith_short_16: OIUFA7PIVUQTMJ4R · pith_short_8: OIUFA7PI

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/OIUFA7PIVUQTMJ4RUBUSUSIZS5 \
  | 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: 7228507de8ad21362791a0692a49199750d9fa06df440e495ce1acb1685698bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e01276878dee8d9ef41d1e96cb09950d679df954c211fafac2be42b7f2adb1fd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-04-16T02:02:33Z",
    "title_canon_sha256": "66d02ee667aefdc912f88b55d13b1a1e3e6540b5102ab5a602be239d8552cf6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.10221",
    "kind": "arxiv",
    "version": 1
  }
}