Pith Number

pith:NW5CL7OQ

pith:2024:NW5CL7OQI45D4UVAISVP47WRQK

not attested not anchored not stored refs pending

A convergence analysis of Lawson's iteration for computing polynomial and rational minimax approximations

Lei-Hong Zhang, Shanheng Han

arxiv:2401.00778 v3 · 2024-01-01 · math.NA · cs.NA

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\usepackage{pith}
\pithnumber{NW5CL7OQI45D4UVAISVP47WRQK}

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Record completeness

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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

1 paper in Pith

Interpolation constrained rational minimax approximation with barycentric representation

Receipt and verification

First computed	2026-07-05T11:49:44.950332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dba25fdd0473a3e52a044aafe7ed1829b9153ed19331908cb9e943d7453cf8a

Aliases

arxiv: 2401.00778 · arxiv_version: 2401.00778v3 · doi: 10.48550/arxiv.2401.00778 · pith_short_12: NW5CL7OQI45D · pith_short_16: NW5CL7OQI45D4UVA · pith_short_8: NW5CL7OQ

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/NW5CL7OQI45D4UVAISVP47WRQK \
  | 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: 6dba25fdd0473a3e52a044aafe7ed1829b9153ed19331908cb9e943d7453cf8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1315d82aaae519f5c737abcbf84c0b2210811dfcf0d8c206ac8afb4cab769d38",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-01-01T14:56:01Z",
    "title_canon_sha256": "aea15f4d353e9099c90c5d585b8f6ad2aa1464111f974da777b59cd0e86ce882"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.00778",
    "kind": "arxiv",
    "version": 3
  }
}