1,510 research outputs found
1987 -- Correspondence, Miscellaneous -- letter, 1987-02-17
No full textLetter from Straub F., Bruno to Sabin, Albert B. dated 1987-02-17.Sabin Collection Fair Use Policy</a
1987 -- Correspondence, Miscellaneous -- letter, 1987-04-21
No full textLetter from Sabin, Albert B. to Straub F., Bruno dated 1987-04-21.Sabin Collection Fair Use Policy</a
Correction to: Drill and Blast in Gypsum Quarries: Optimization of Technical, Economic, and Safety Aspects in “Monte Tondo” Mid-mountain Case Study (Mining, Metallurgy & Exploration, (2025), 42, 1, (99-113), 10.1007/s42461-024-01133-9)
No full textThe article Drill and Blast in Gypsum Quarries: Optimization of Technical, Economic, and Safety Aspects in “Monte Tondo” Mid mountain Case Study, written by Daniele Casertano, Francesco Tinti, Sara Kasmaeeyazdi, Vanessa Cellini, and Roberto Bruno was originally published under exclusive license to Society for Mining, Metallurgy & Exploration Inc. 2024 on 9 December 2024. As a result of the subsequent decision to publish the article under the open access model, the article’s copyright notice was changed on 29 December 2025 to © The Author(s) and the article is now distributed under a Creative Commons Attribution CC BY
Measuring industry-science links through inventor-author relations: A profiling method
No full textIn this pilot study we examine the performance of text-based profiling in recovering a set of validated inventor-author links. In a first step we match patents and publications solely based on their similarity in content. Next, we compare inventor and author names on the highest ranked matches for the occurrence of name matches. Finally, we compare these candidate matches with the names listed in a validated set of inventor-author names. Our text-based profile methodology performs significantly better than a random matching of patents and publications, suggesting that text-based profiling is a valuable complementary tool to the name searches used in previous studies.innovation; industry-science links; text-based profiling;
The chain rule for -differentiation
No full textLet be a perfect, compact subset of the complex plane, and let
denote the (complex) algebra of continuously
complex-differentiable functions on . Then is a normed algebra
of functions but, in some cases, fails to be a Banach function algebra. Bland
and the second author investigated the completion of the algebra ,
for certain sets and collections of paths in , by
considering -differentiable functions on .
In this paper, we investigate composition, the chain rule, and the quotient
rule for this notion of differentiability. We give an example where the chain
rule fails, and give a number of sufficient conditions for the chain rule to
hold. Where the chain rule holds, we observe that the Fa\'a di Bruno formula
for higher derivatives is valid, and this allows us to give some results on
homomorphisms between certain algebras of -differentiable
functions.Comment: 12 pages, submitte
The rise of securities markets : what can government do?
No full textUsing U.S. securities markets as a case history, the author explores the role securities markets play in economic development, how they emerge, and how regulation can make them more effective. Why the United States? Two centuries ago, it was a small undeveloped country with serious financial problems. It confronted those problems and, guided by Alexander Hamilton, creatively reformed its financial system, which then became a foundation of the U.S. economic infrastructure and a bulwark for long-term growth. When Hamilton's program established public credit and securitiesmarkets in the 1790s, U.S. citizens were immediately able to borrow from older, richer countries. U.S. wealth then increased until, by the end of the nineteenth century, U.S. residents began to lend and invest more abroad than they borrowed. During the 1820s and 1830s, the United States (usually state governments) borrowed large sums from foreign investors to build roads, canals, and early railroads, to make other transportation improvements, and to capitalize state banks. From the 1830s to the end of the century, still larger sums from overseas went into private U.S. railway companies that provided cheap transcontinental transportation. Most of this borrowing took the form of state and corporate bond sales to overseas investors. The pristine U.S. government credit established by Hamilton thus rubbed off on U.S. state and corporate debt. The British stock market did better than the U.S. market until the United States adopted security-market regulation (including disclosuire rules) under the SEC. Then the U.S. market became a world leader. The U.S. stock market developed more slowly than the bond market, but it both aided and benefited from foreign investment in U.S. bonds. Foreign investors preferred debt securities to equities, yet equities create a safety margin for bondholders who, because of this margin, are more willing to purchase and hold bonds. Foreign investors preferred bonds; U.S. investors, after exporting bonds, held more stocks than bonds at home. Why? Because good stock markets permit the conversion of equity securities into cash.Environmental Economics&Policies,Payment Systems&Infrastructure,Financial Intermediation,International Terrorism&Counterterrorism,Economic Theory&Research,Housing Finance,Insurance&Risk Mitigation,Financial Intermediation,Environmental Economics&Policies,Economic Theory&Research
The Institute for Religious works: key features of financial intermediation
No full textCorresponding author: F. Arnaboldi, email: [email protected]. While the paper is the result of intense collaboration between the two authors, sections 3 is attributable to F. Arnaboldi and section 1 and 2 to B. Rossignoli. Section 4 is a joint effort. The authors wish to thank P. Mottura and two anonymous referees for their valuable comments. All errors are ours. Article peer reviewed.SUMMARY: 1. Introduction – 2. Background to anti-money laundering – 3. Financial intermediation, 2011–2014 – 4. Conclusion
The chain rule for F-differentiation
No full textLet X be a perfect, compact subset of the complex plane, and let D (1)(X) denote the (complex) algebra of continuously complex-differentiable functions on X. Then D(1)(X) is a normed algebra of functions but, in some cases, fails to be a Banach function algebra. Bland and the second author investigated the completion of the algebra D(1)(X), for certain sets X and collections F of paths in X, by considering F-differentiable functions on X.
In this paper, we investigate composition, the chain rule, and the quotient rule for this notion of differentiability. We give an example where the chain rule fails, and give a number of sufficient conditions for the chain rule to hold. Where the chain rule holds, we observe that the Fa a di Bruno formula for higher derivatives is valid, and this allows us to give some results on homomorphisms between certain algebras of F-differentiable functions
The chain rule for F-differentiation
No full textLet X be a perfect, compact subset of the complex
plane, and let D(1)(X) denote the (complex) algebra of continuously
complex-differentiable functions on X. Then D(1)(X) is a normed
algebra of functions but, in some cases, fails to be a Banach function algebra. Bland and the second author ([3]) investigated the
completion of the algebra D(1)(X), for certain sets X and collections F of paths in X, by considering F-differentiable functions on
X.
In this paper, we investigate composition, the chain rule, and
the quotient rule for this notion of differentiability. We give an
example where the chain rule fails, and give a number of sufficient
conditions for the chain rule to hold. Where the chain rule holds,
we observe that the Fa´a di Bruno formula for higher derivatives is
valid, and this allows us to give some results on homomorphisms
between certain algebras of F-differentiable functions
Periodic structures for melting enhancement: observation of critical cell size and localized melting
No full textThe use of metallic periodic structures was considered for melting rate enhancement of a phase change material (PCM) contained in a rectangular enclosure isothermally heated from the side. The critical (optimized) cell size, or pore size, of a periodic structure with fixed porosity, realising the shortest melting time by maximizing the convection and conduction heat transfer rate into the PCM, was studied. Furthermore, the effects of material properties (copper, aluminium, nickel, and stainless steel), enclosure length, wall-melting temperature difference and porosity were numerically investigated. It was observed that increasing porosity and/or reducing thermal conductivity enlarged the critical cell size (i.e. the optimal cell size that minimizes the melting time). The critical PPIs (pores per inch) of copper and aluminium periodic structures for all studied porosities were 10; for nickel, the critical values were 10 PPIs for porosity values of 0.75, 0.8 and 0.85 while it reduces to 5 PPI for the highest porosity considered here being 0.95. Interestingly, showing a different trend, the critical PPI of stainless-steel structures was 5 for the lowest porosity (0.75) and reduced to 3 for higher porosities. The results clearly demonstrated localised melting which was observed in all periodic structures except for the 10 PPI stainless-steel case. Scattered melting islands are observed as opposed to a moving interface when ϕ=(dp/L)αligament/αPCM>1. For such cases, localized melting occurs and the PCM is melted at the ligaments away from the heated wall before the melt front reaches those ligaments.Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.Process and Energ
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