Search

With concepts like the consumer revolution or the industrious revolution, the changing behaviour of private households in the 18th and early 19th centuries has become of great interest. The article suggests a new way to observe intentions and decisions, by utilizing a database of 850,000 classified ads from the Basel Avisblatt over a span of 116 years. Changes in food prices constantly altered the discretionary income of households, which forced budget-related decisions. By cross-correlating indicators of discretionary income with the changing number of different types of ads, patterns of utilizing the Avisblatt can be identified, and strategies to stabilize discretionary income deduced.

Current research on the long-term influence of ordoliberal and neoliberal ideas is hampered by an overly static and generalised picture of the Freiburg School. To address this gap, the paper analyses all articles published in ORDO, the flagship journal of the Freiburg School, between 1948 and 2014. This makes it possible to distinguish three phases of post-war ordoliberalism, to identify personal continuities and breaks, and to summarise thematic, methodological, and conceptual developments. Since the analysis utilises text mining methods, such as keyword identification and Topic Modeling, and validates the results of distant reading with close reading and external data, the paper also highlights some general methodological insights for using Digital Humanities in the historical sciences. [ABSTRACT FROM AUTHOR]

The article informs about case study of a serious and multiple ethical misconduct after an author submitted a paper to five journals for publication and committed some form of plagiarism. Topics include mathematics and in sciences in general, multiple submissions of the same results or parallel papers are prohibited as serious ethical misconduct; and mathematics simultaneous or concurrent submission of a manuscript describing the same research publication in the electronic online systems.

The article offers step-by-step instructions for origami design.

The article contains a list of contact persons of the DMV (German Mathematical Society) at various German universities and colleges. It also mentions some dissertation topics and their supervisors. Furthermore, scientific papers and research projects by mathematicians at various universities are listed. Information about the DMV, its board and presidency, as well as contact details and membership fees, are also provided. However, no further information is given about the content of the papers or research projects. [Extracted from the article]

Copyright of Mitteilungen der DMV is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This paper investigates the sources of information and their quality as accessible to the government of the Federal Republic of Germany when trying to assess the situation of company funded pensions between 1949 and 1985 for the Company Pension Act of 1974. By taking a closer look at multiple government surveys as well as official statistics, the paper shows that the government only had very little access to verifiable and detailed information on the matter and relied largely on estimates. There were no coherent sources of information, and none were set up after the Act came into effect. The trend of a growing distribution and extent of corporate retirement plans from the late 1940s to the 1980s as seen in the government surveys is congruent with our findings. Furthermore, the Company Pension Act strengthened this already growing trend. [ABSTRACT FROM AUTHOR]

The wealth of source material produced by Roman notaries has long been neglected. Only in recent decades has it been systematically evaluated by researchers. Given the fragmentary source situation in general, these atti notarili add considerable detail to our knowledge of everyday life. They provide insights not only into the Rome of the popes, which has received considerable attention, but above all into the Rome of the Roman people, much less studied. This paper focuses not on another notary, but on the question of the potential contribution of this genre of sources to the history of late medieval Rome. We see how clients belonging to different social groups approach different notaries. We understand the typical concerns and problems of Roman society, ranging from the debtor imprisoned in a dungeon to the Colonna family in their palazzo. We find confident Florentines with their business dealings, German bakers and their partnership contracts, impoverished monasteries with their growing debts. We see the building boom of the Renaissance and how Piazza Navona is transformed from a campus into a platea, as well as rural Rome within the walls and its countless vineyards. [ABSTRACT FROM AUTHOR]

The Peace of Venice (1177), which ended the nearly twenty-year-long schism between Pope Alexander III and his opponents supported by Emperor Frederick I Barbarossa, has long been the subject of controversy among scholars, who focused initially on the concrete provisions of the treaty and more recently on the symbolic acts that affirmed it. This paper uses Alexandrian sources to concentrate on peace itself as the pope's most important political goal: the biography of Alexander written by his cardinal Boso, the frescoes in the Lateran Palace painted after the victory, and other statements made by the pope himself and his supporters reveal his primary goal to be the restoration of unity and peace. This thinking may have been rooted in the Christian ethic of peace as well as in the enduring ideal of cooperation between pope and emperor. It offers an explanation for the pope's willingness to compromise in Venice, often viewed with astonishment today, expressed through the choice of location, the staging, as well as personnel and material decisions. Alexander did not aim to supercede the emperor, nor to achieve victory on specific issues in detail; instead, his goal throughout the schism seems to have been a return to peace and cooperation. [ABSTRACT FROM AUTHOR]

This paper surveys cover versions of Italian hits in Spanish and German. Using autoethnographic methods, it offers a retrospective examination of the 1970s and 1980s in Latin America and Germany, reflecting on the influence of Italian artists on the Latin American and German Schlager music scenes. [ABSTRACT FROM AUTHOR]

Copyright of Mitteilungen der DMV is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The paper is an overview of the musicological research project „Towards a global history of music", which was carried out between 2013 and 2017 on the basis of a Balzan Prize for Musicology (2012), with the assistance of international music research institutes and their specialists. A main outcome of the project are three collective volumes of papers, published in 2018, 2019 and 2021, respectively. The project has viewed the variety of musical experiences around the world as a historical unfolding, to be explored via a „long path" through both geography and history. It has queried the enlightenment idea of a fundamental unity of all music (universalism), and the often fragile status of musical-cultural identities on the regional or national levels. It has sought to join methodologies of ethnomusicology and historical research, and has observed that the concepts of music and historiography themselves are less than universal. To the discourses of globalisation and modernisation, the project has added the alternative of transculturality, allowing for more neutral or participatory interpretations of cultural encounter. Summarising this research, tensions between nation and migration, regionalism and adaptation, ‚radial' and ‚imposed' globality are shown. The paper proposes to expand such studies into non-scientific practice and to find new institutional bases, which would benefit further global understanding and sharing. [ABSTRACT FROM AUTHOR]

This paper develops out of a specific event. In 2020, the town of Münsingen in the Swabian Alps commissioned its authors to write a historical report on the Italian Fascist Monterosa Division, focusing on its function and role in the German occupation of Italy from 1944 to 1945. The issue to be clarified was the extent to which the division was involved in war crimes during this period. The background to the request was a monument erected in 1986 in the Ehrenhain, Münsingen's „grove of honour", by the division's veterans' association (Associazione degli appartenenti alla divisione Monterosa). This monument has since led to repeated controversy and heated debate over its Fascist symbolism and the division's involvement in anti-partisan warfare in Italy. Our paper focuses on the experience of officers in the Fascist regime, the division's operations against partisans and at the front, its crimes, and the attempts of the veterans' association in the post-war period to gain official recognition in both Germany and Italy. The Monterosa Mountain Division was created in 1943/1944 by Benito Mussolini's Repubblica sociale italiana (RSI) as one of four military divisions to join front-line combat with the German Army in Italy. Largely composed of young conscripts from Northern Italy, its older non-commissioned officers had extensive war experience from the Italian occupation of Greece and the Balkans, and from the Eastern Front. Its commander, General Mario Carloni, was a hardliner, an energetic, ruthless, and politicised Fascist officer who after the collapse of the Italian state in 1943 chose to continue fighting for Mussolini's side and to support the German occupation of Italy. German instructors trained the Monterosa Division in Münsingen. In late August 1944, it was sent to Italy and assigned to coastal defense duties on the east coast of Liguria, an area almost completely controlled by partisans. The division thus became involved in anti-partisan actions and began to take hostages, shoot civilians and prisoners of war, and destroy village houses. In 1951, a division association was founded, with former General Carloni as its honorary president. Until 2001, it tried in vain to gain recognition from the Associazione Nazionale Alpini (ANA), the most important veterans' and reservists' association of Italian mountain troops. In Germany, on the other hand, the former Monterosa soldiers found faster access to veterans' associations. The first visit by former division members to Münsingen took place as early as 1952. In the 1970s, these visits became increasingly regular and were given official sanction. During the 1980s, the division association's connections further expanded and ultimately resulted in the erection of a memorial to the fallen. In Germany, of all places, the RSI veterans received the recognition that was so difficult for them to obtain in their home country. [ABSTRACT FROM AUTHOR]

Linguistic variation is a feature that characterizes every natural language. In this paper, I focus on linguistic variation and its importance and its role in language change (LC). To determine its importance and role, one must distinguish between emergence and diffusion of variants because both dimensions provide different contributions to LC. The emergence and further development of new variants is a process that often (though not always) displays the form of a cycle, whereas the diffusion within a speech community often follows an S-curve form. Both dimensions are important for LC, but they relate to very different aspects. In this paper, I will treat variation with respect to its role in LC. Variation, in general, is a crucial factor in LC in two respects: First, it is the result of LC and second, it can trigger LC.

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Mitteilungen der DMV is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This article examines the research literature on the economic aspects of the "Sino-Soviet Alliance", which lasted from the end of the Chinese Civil war until the Sino-Soviet split (1949-1960/63). The Soviet and Eastern European contribution to China's industrialization, called the "largest technology transfer in human history" by some, still awaits detailed examination. This article aims to structure the field as well as inspire future research. The included studies range from on-the-ground microstudies of engineers at specific industrial construction projects to macro-perspectives on economic exchange, trade and governmental negotiations. In contrast to classical Cold War perspectives, which assume a primacy of (geo-)politics, the paper builds on more recent studies, arguing that economic rationales mattered in both the split and the forging of the alliance. The literature review suggests that the room for manoeuvre of actors beyond the Kremlin and party leaderships has to be measured anew, and that the impact of the alliance on Eastern Europe awaits further research. Finally, the influence of the West with its technologies and world markets becomes visible when these apparently exclusive East-East relations are examined more closely. [ABSTRACT FROM AUTHOR]

We identify two approaches to financial crises in the history of political economy, namely, the exogenous approach whereby financial crises are sudden events, and the endogenous approach whereby they arise from a long process. In focusing on the endogenous approach, we study the contributions by Thomas Tooke, Ralph Hawtrey, Hyman Minsky and Charles Kindleberger to the lender-of-last-resort theory, especially in international contexts, under the gold standard and the dollar system. The function of the lender of last resort broadens institutionally (depending on the type of securities and on the institutions issuing or holding them) and internationally (depending on jurisdiction and on the type of institutions ultimately requiring international liquidity). [ABSTRACT FROM AUTHOR]

This special issue is devoted to the influence of Italian culture on the Antitrinitarian movements that spread through Europe during the early modern period. One of the objectives is to go back to the period preceding the activities of Lelio and Fausto Sozzini, and to consider the influences of various trends in the Italian thought of the 15th and 16th centuries that made a crucial contribution to shaping Antitrinitarian ideas about Biblical exegesis, spirituality, baptism and the Trinity. Some papers also cover the phase following the international establishment of Socinianism. While for the first half of the sixteenth century there is a tendency to underestimate the Italian contribution to European Antitrinitarianism, the exact opposite is true for the period between the end of the sixteenth and the seventeenth centuries. The perception of Antitrinitarianism changes completely and, following the international affirmation of the Sozzini, is often mistakenly identified with Socinianism, taking the part for the whole (as is still often the case today on a historiographical level). [ABSTRACT FROM AUTHOR]

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

This paper offers a description and analysis of the clausal doubling construction, and contrasts it with predicate doubling based on their formal and verum-related properties. The study shows that the behavior of both patterns can be captured by extending the analysis of predicate doubling by Muñoz Pérez and Verdecchia (2022. Predicate doubling in Spanish: On how discourse may mimic syntactic movement. Natural Language & Linguistic Theory 40(4). 1159–1200). Basically, both doubling constructions have the same structure, with a contrastive topic in the left periphery; they differ, however, in the nature of the constituents carrying this function. The proposal derives from this single factor all formal and interpretative differences between the constructions. Moreover, the paper provides evidence to distinguish these phenomena from other verum-marking strategies in Spanish.

Copyright of Zeitschrift für Sprachwissenschaft is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Analyse & Kritik is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Analyse & Kritik is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Analyse & Kritik is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Real estate markets have been all but neglected by historical research. Following a workshop held in Bielefeld in September 2019, this volume seeks to contribute to a better understanding of their characteristics. The introduction starts out with a definition of some key concepts. It then summarizes the state of historical research and argues for a focus on the social and institutional embeddedness of real estate markets. The introduction also gives an outline of the individual papers and a brief summary of some overall findings. [ABSTRACT FROM AUTHOR]

Copyright of Mitteilungen der DMV is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The semantics of zero-derivation/conversion has attracted renewed interest both as a subject of description and as a means towards refined descriptions of the process. This paper takes the latter stance and compares which semantic categories occur in zero-derivation/conversion and in overt affixation in two languages with a different morphological model: English and Spanish. For attestation and distribution of the semantic categories, the paper relies on a stratified sample of denominal verbs collected from two comparable corpora: the British National Corpus and the Corpus de Referencia del Español Actual. The sample consists in sets of ca. 50 denominal verb-forming resources, one per affixation process, namely affixation by -ate, -(i)fy, -ize/-ise, -en, en- in English, a-…-ar, en-…-ar, -ear, -ecer, -(i)ficar, -izar in Spanish, and zero-derivation/conversion in both languages. The results are contrasted within and across affixes/processes, within each language and across the two languages for the adequacy of a description as zero-derivation or as conversion. Statistical analysis shows that the process/affixes form a cline with overlaps and closer associations between specific affixes/processes and semantic categories, but no clear divide between zero-derivation/conversion and the rest of processes as far as the semantic categories are concerned.

New digital methods are currently enhancing the historian’s toolbox fundamentally. This thematic issue is a collection of papers discussing case studies in the fields of digitization, optical character recognition, distant reading, text mining, network analysis, and historical geographical information systems. The papers discuss opportunities and limitations in the application of digital methods in historical studies and point out fields of future applications.

The article "President's Greeting" reports on the position paper on equal opportunities and diversity of the German Mathematical Society (DMV). The DMV presidency emphasizes the importance of a diverse, respectful, and inclusive community. It is mentioned that the discussion about a possible renaming of the DMV has resurfaced, but no name change has taken place so far. The presidency has established a specialist group for gender, diversity, and sustainability in mathematics and proposes a participatory process to shape the discussion about the name of the DMV. Furthermore, reference is made to a paper adopted by various mathematical and scientific societies, condemning antidemocratic and nationalist approaches in Germany. It is emphasized that science requires openness, international cooperation, democracy, and the rule of law. [Extracted from the article]

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Analyse & Kritik is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Analyse & Kritik is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Info DaF: Informationen Deutsch als Fremdsprache is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The book "Wissenschaftliches Arbeiten an deutschen Universitäten" by Schäfer and Heinrich has been published in its second edition and is specifically aimed at foreign students in the humanities and social sciences. It provides practical assistance with exercises and fills a gap in the literature on academic work, as it is explicitly targeted at foreign students. The book covers various aspects of academic work, such as note-taking, presenting, and writing a written academic paper. It also includes exercises and examples to help students. Although the book has some shortcomings, it can be recommended as long as there is no better work available for the target audience. [Extracted from the article]

The article "Logbook Mathematics" deals with mathematical jokes and April Fools' jokes. It is mentioned that Martin Gardner made some April Fools' jokes in April 1975, such as the claim that the theory of relativity had been disproven. The number eπ√163 is now referred to as the Ramanujan constant. Robert J. Scherrer discusses in a paper the possibility that the values of π, e, γ, φ, and whole numbers could change over time. Other mathematical April Fools' jokes are also mentioned, such as a decomposition of the sphere into hexagons. There is a reference to an April Fools' joke about Fermat's conjecture, in which a well-known mathematician announced a counterproof. Another mathematician spread an April Fools' joke about the Riemann hypothesis through a mailing list. There is also a report about a fake article from Der Postillon, which claimed that German elementary school students do not master infinitesimal calculus. The Titanic and the NachDenkSeiten also published satirical articles about mathematical concepts and the Ukraine crisis. [Extracted from the article]

Copyright of Mitteilungen der DMV is the property of De Gruyter and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)