Pith Number

pith:TCUJ5IKW

pith:2019:TCUJ5IKWPRQHPUHW4MUTJLJKJP

not attested not anchored not stored refs pending

A rational approximation method for the nonlinear eigenvalue problem

Agnieszka Mi\k{e}dlar, Mohamed El-Guide, Yousef Saad

arxiv:1901.01188 v2 · 2019-01-04 · math.NA · cs.NA

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\usepackage{pith}
\pithnumber{TCUJ5IKWPRQHPUHW4MUTJLJKJP}

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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.

Cited by

2 papers in Pith

Linear convergence of iterative contour integral-based eigensolvers for nonlinear eigenvalue problems

Local Linearizations of Rational Matrices with Application to Rational Approximations of Nonlinear Eigenvalue Problems

Receipt and verification

First computed	2026-07-05T01:08:58.653088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98a89ea1567c6077d0f6e32934ad2a4bf2605517e187c108c4d9d4236c696111

Aliases

arxiv: 1901.01188 · arxiv_version: 1901.01188v2 · doi: 10.48550/arxiv.1901.01188 · pith_short_12: TCUJ5IKWPRQH · pith_short_16: TCUJ5IKWPRQHPUHW · pith_short_8: TCUJ5IKW

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/TCUJ5IKWPRQHPUHW4MUTJLJKJP \
  | 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: 98a89ea1567c6077d0f6e32934ad2a4bf2605517e187c108c4d9d4236c696111

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c3459f416596fab4caaabae22a66935fc5f56188600f96acecd12b257cdf54",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-01-04T16:03:04Z",
    "title_canon_sha256": "2791fb39ff5d2d8ec365368e3de8f49bf13bb68c4bbf7f1a2cb0dfdc94ab7eba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01188",
    "kind": "arxiv",
    "version": 2
  }
}