Pith Number

pith:E65OG57N

pith:2022:E65OG57NKTEXEOPKBFIUHRAFS5

not attested not anchored not stored refs pending

Convergence analysis of two-grid methods for nonsymmetric positive definite systems

Xuefeng Xu

arxiv:2204.07918 v2 · 2022-04-17 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E65OG57NKTEXEOPKBFIUHRAFS5}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Cited by

2 papers in Pith

Norm-based convergence bounds for nonsymmetric algebraic V-cycle multigrid methods

Optimal transfer operators for nonsymmetric two-grid methods

Receipt and verification

First computed	2026-06-30T01:17:18.019028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27bae377ed54c97239ea095143c405974c6e4f25f37ef550c90d6e589614df87

Aliases

arxiv: 2204.07918 · arxiv_version: 2204.07918v2 · doi: 10.48550/arxiv.2204.07918 · pith_short_12: E65OG57NKTEX · pith_short_16: E65OG57NKTEXEOPK · pith_short_8: E65OG57N

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/E65OG57NKTEXEOPKBFIUHRAFS5 \
  | 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: 27bae377ed54c97239ea095143c405974c6e4f25f37ef550c90d6e589614df87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6e4b9eac8883e656c93d4d5cd52107ce5eded6ce10a2cb21709657d4ace984c",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-04-17T04:22:02Z",
    "title_canon_sha256": "da00dcd3451181be079085719592676b0ab8aaf1aad0f7029b829cf20904a1a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.07918",
    "kind": "arxiv",
    "version": 2
  }
}