Upper bound for the second and third Hankel determinants of analytic functions associated with the error function and q-convolution combination
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Bibliographic record
Abstract
Abstract Recently, El-Deeb and Cotîrlă (Mathematics 11:11234834, 2023) used the error function together with a q -convolution to introduce a new operator. By means of this operator the following class $\mathcal{R}_{\alpha ,\Upsilon}^{\lambda ,q}(\delta ,\eta )$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msubsup> <mml:mi>R</mml:mi> <mml:mrow> <mml:mi>α</mml:mi> <mml:mo>,</mml:mo> <mml:mi>ϒ</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mo>(</mml:mo> <mml:mi>δ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>η</mml:mi> <mml:mo>)</mml:mo> </mml:math> of analytic functions was studied: $$\begin{aligned} &\mathcal{R}_{\alpha ,\Upsilon }^{\lambda ,q}(\delta ,\eta ) \\ &\quad := \biggl\{ \mathcal{ F}: {\Re} \biggl( (1-\delta +2\eta ) \frac{\mathcal{H}_{\Upsilon }^{\lambda ,q}\mathcal{F}(\zeta )}{\zeta}+(\delta -2\eta ) \bigl(\mathcal{H} _{\Upsilon}^{\lambda ,q}\mathcal{F}(\zeta ) \bigr) ^{{ \prime}}+\eta \zeta \bigl( \mathcal{H}_{\Upsilon}^{\lambda ,q} \mathcal{F}( \zeta ) \bigr) ^{{{\prime \prime}}} \biggr) \biggr\} \\ &\quad >\alpha \quad (0\leqq \alpha < 1). \end{aligned}$$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mtable> <mml:mtr> <mml:mtd/> <mml:mtd> <mml:msubsup> <mml:mi>R</mml:mi> <mml:mrow> <mml:mi>α</mml:mi> <mml:mo>,</mml:mo> <mml:mi>ϒ</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mo>(</mml:mo> <mml:mi>δ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>η</mml:mi> <mml:mo>)</mml:mo> </mml:mtd> </mml:mtr> <mml:mtr> <mml:mtd/> <mml:mtd> <mml:mspace/> <mml:mo>:</mml:mo> <mml:mo>=</mml:mo> <mml:mrow> <mml:mo>{</mml:mo> <mml:mi>F</mml:mi> <mml:mo>:</mml:mo> <mml:mi>ℜ</mml:mi> <mml:mrow> <mml:mo>(</mml:mo> <mml:mo>(</mml:mo> <mml:mn>1</mml:mn> <mml:mo>−</mml:mo> <mml:mi>δ</mml:mi> <mml:mo>+</mml:mo> <mml:mn>2</mml:mn> <mml:mi>η</mml:mi> <mml:mo>)</mml:mo> <mml:mfrac> <mml:mrow> <mml:msubsup> <mml:mi>H</mml:mi> <mml:mi>ϒ</mml:mi> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mi>F</mml:mi> <mml:mo>(</mml:mo> <mml:mi>ζ</mml:mi> <mml:mo>)</mml:mo> </mml:mrow> <mml:mi>ζ</mml:mi> </mml:mfrac> <mml:mo>+</mml:mo> <mml:mo>(</mml:mo> <mml:mi>δ</mml:mi> <mml:mo>−</mml:mo> <mml:mn>2</mml:mn> <mml:mi>η</mml:mi> <mml:mo>)</mml:mo> <mml:msup> <mml:mrow> <mml:mo>(</mml:mo> <mml:msubsup> <mml:mi>H</mml:mi> <mml:mi>ϒ</mml:mi> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mi>F</mml:mi> <mml:mo>(</mml:mo> <mml:mi>ζ</mml:mi> <mml:mo>)</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> <mml:mo>′</mml:mo> </mml:msup> <mml:mo>+</mml:mo> <mml:mi>η</mml:mi> <mml:mi>ζ</mml:mi> <mml:msup> <mml:mrow> <mml:mo>(</mml:mo> <mml:msubsup> <mml:mi>H</mml:mi> <mml:mi>ϒ</mml:mi> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mi>F</mml:mi> <mml:mo>(</mml:mo> <mml:mi>ζ</mml:mi> <mml:mo>)</mml:mo> <mml:mo>)</mml:mo> </mml:mrow> <mml:mrow> <mml:mo>″</mml:mo> </mml:mrow> </mml:msup> <mml:mo>)</mml:mo> </mml:mrow> <mml:mo>}</mml:mo> </mml:mrow> </mml:mtd> </mml:mtr> <mml:mtr> <mml:mtd/> <mml:mtd> <mml:mspace/> <mml:mo>></mml:mo> <mml:mi>α</mml:mi> <mml:mspace/> <mml:mo>(</mml:mo> <mml:mn>0</mml:mn> <mml:mo>≦</mml:mo> <mml:mi>α</mml:mi> <mml:mo><</mml:mo> <mml:mn>1</mml:mn> <mml:mo>)</mml:mo> <mml:mo>.</mml:mo> </mml:mtd> </mml:mtr> </mml:mtable> </mml:math> For these general analytic functions $\mathcal{F}\in \mathcal{R}_{\beta ,\Upsilon}^{\lambda ,q}(\delta , \eta )$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mi>F</mml:mi> <mml:mo>∈</mml:mo> <mml:msubsup> <mml:mi>R</mml:mi> <mml:mrow> <mml:mi>β</mml:mi> <mml:mo>,</mml:mo> <mml:mi>ϒ</mml:mi> </mml:mrow> <mml:mrow> <mml:mi>λ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>q</mml:mi> </mml:mrow> </mml:msubsup> <mml:mo>(</mml:mo> <mml:mi>δ</mml:mi> <mml:mo>,</mml:mo> <mml:mi>η</mml:mi> <mml:mo>)</mml:mo> </mml:math> , we give upper bounds for the Fekete–Szegö functional and for the second and third Hankel determinants.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it