{"title":"Correction to: Approximation of classes of Poisson integrals by incomplete Fejér means","authors":"Olga Rovenska","doi":"10.1007/s00013-024-02064-z","DOIUrl":"10.1007/s00013-024-02064-z","url":null,"abstract":"","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"679 - 680"},"PeriodicalIF":0.5,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645677","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correction to: Tracing the orbitals of the quantum permutation group","authors":"J.P. McCarthy","doi":"10.1007/s00013-024-02056-z","DOIUrl":"10.1007/s00013-024-02056-z","url":null,"abstract":"","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"681 - 682"},"PeriodicalIF":0.5,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Noetherian criterion for sequences of modules","authors":"Wee Liang Gan, Khoa Ta","doi":"10.1007/s00013-024-02066-x","DOIUrl":"10.1007/s00013-024-02066-x","url":null,"abstract":"<div><p>We prove a Noetherian criterion for a sequence of modules with linear maps between them. This generalizes a Noetherian criterion of Gan and Li for infinite EI categories. We apply our criterion to the linear categories associated to certain diagram algebras defined by Patzt.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"124 2","pages":"131 - 136"},"PeriodicalIF":0.5,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143109250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Leavitt path algebras of quantum quivers","authors":"Joshua Graham, Rishabh Goswami, Jason Palin","doi":"10.1007/s00013-024-02067-w","DOIUrl":"10.1007/s00013-024-02067-w","url":null,"abstract":"<div><p>Adapting a recent work of Brannan et al. on extending graph <span>(C^*)</span>-algebras to quantum graphs, we introduce “Quantum Quivers” as an analogue of quivers where the edge and vertex set has been replaced by a <span>(C^*)</span>-algebra and the maps between the sets by <span>(*)</span>-homomorphisms. Additionally, we develop the theory around these structures and construct a notion of Leavitt path algebra over them and also compute the monoid of finitely generated projective modules over this class of algebras.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"124 1","pages":"29 - 48"},"PeriodicalIF":0.5,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142962962","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"On the Kimoto–Wakayama supercongruence conjecture on Apéry-like numbers","authors":"Ji-Cai Liu","doi":"10.1007/s00013-024-02062-1","DOIUrl":"10.1007/s00013-024-02062-1","url":null,"abstract":"<div><p>Kimoto and Wakayama [Ann. Inst. Henri Poincaré D 10 (2023), 205–275] studied the special values of the spectral zeta function <span>(zeta _Q(s))</span> associated to the non-commutative harmonic oscillator <span>(Q_{alpha ,beta })</span>. Two kinds of Apéry-like numbers (even case <span>(widetilde{J}_{2s+2}(n))</span> and odd case <span>(widetilde{J}_{2s+1}(n))</span>) naturally arise in the expressions for the special values of <span>(zeta _Q(s))</span> at integer points. Supercongruences among these Apéry-like numbers lead one to the modularity of the generating functions of the Apéry-like numbers. Kimoto and Wakayama established a supercongruence among <span>(widetilde{J}_{2s+2}(n))</span>, and conjectured the same type of supercongruence for <span>(widetilde{J}_{2s+1}(n))</span> as in the even case <span>(widetilde{J}_{2s+2}(n))</span>. In this work, we confirm Kimoto and Wakayama’s supercongruence conjecture in the odd case of Apéry-like numbers <span>(widetilde{J}_{2s+1}(n))</span>.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"615 - 624"},"PeriodicalIF":0.5,"publicationDate":"2024-10-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Injective generation of the derived category and finitistic dimension conjecture","authors":"Hossein Eshraghi, Ali Hajizamani","doi":"10.1007/s00013-024-02053-2","DOIUrl":"10.1007/s00013-024-02053-2","url":null,"abstract":"<div><p>For a finite dimensional algebra <span>(Lambda )</span>, the problem of whether the unbounded derived category <span>(mathbb {D}(Lambda ))</span> is equal to its localizing subcategory generated by injective <span>(Lambda )</span>-modules was firstly considered by Keller in 2001. If this happens to be true, it is usually said that injectives generate for <span>(Lambda )</span>. Some connections to famous homological conjectures were illuminated by Keller himself. Recently, Rickard presented several classes of rings, including particular types of finite dimensional algebras as well as commutative Noetherian rings, for which injectives generate. He also proved that if injectives generate for <span>(Lambda )</span>, then it satisfies the big finitistic dimension conjecture. The main objective of this paper is to discuss when the reverse statement also holds. We show that, under some mild condition, the injective generation phenomenon and the big finitistic dimension conjecture for <span>(Lambda )</span> are equivalent.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"593 - 604"},"PeriodicalIF":0.5,"publicationDate":"2024-10-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A topology on the Fremlin tensor product of locally convex-solid vector lattices","authors":"Omid Zabeti","doi":"10.1007/s00013-024-02055-0","DOIUrl":"10.1007/s00013-024-02055-0","url":null,"abstract":"<div><p>Suppose that <i>E</i> and <i>F</i> are Banach lattices. It is known that there are several norms on the Fremlin tensor product <span>(E{overline{otimes }} F)</span> that turn it into a normed lattice; in particular, the projective norm <span>(|pi |)</span> (known as the Fremlin projective norm) and the injective norm <span>(|epsilon |)</span> (known as the Wittstock injective norm). Now, assume that <i>E</i> and <i>F</i> are locally convex-solid vector lattices. Although we have a suitable vector lattice structure for the tensor product <i>E</i> and <i>F</i> (known as the Fremlin tensor product and denoted by <span>(E{overline{otimes }}F)</span>), there is a lack of topological structure on <span>(E{overline{otimes }}F)</span>, in general. In this note, we consider a linear topology on <span>(E{overline{otimes }}F)</span> that makes it into a locally convex-solid vector lattice, as well; this approach can be taken as a generalization of the projective norm of the Fremlin tensor product between Banach lattices.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"625 - 633"},"PeriodicalIF":0.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A classification of generalized root systems","authors":"Michael Cuntz, Bernhard Mühlherr","doi":"10.1007/s00013-024-02046-1","DOIUrl":"10.1007/s00013-024-02046-1","url":null,"abstract":"<div><p>Dimitrov and Fioresi introduced an object that they call a generalized root system. This is a finite set of vectors in a Euclidean space satisfying certain compatibilities between angles and sums and differences of elements. They conjecture that every generalized root system is equivalent to one associated to a restriction of a Weyl arrangement. In this note, we prove the conjecture and provide a complete classification of generalized root systems up to equivalence.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 6","pages":"567 - 583"},"PeriodicalIF":0.5,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00013-024-02046-1.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142645573","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Elementary divisors, Hochster duality, and spectra","authors":"Wolfgang Rump","doi":"10.1007/s00013-024-02052-3","DOIUrl":"10.1007/s00013-024-02052-3","url":null,"abstract":"<div><p>It is proved that every Bézout domain admits an embedding into an elementary divisor domain with the same divisibility group. So the prime spectrum of a Bézout domain is homeomorphic to the prime spectrum of an elementary divisor domain. Together with an earlier result, it follows that a topological space is homeomorphic to the maximal spectrum of an elementary divisor domain if and only if it is a serial quasi-compact <span>(T_1)</span>-space.</p></div>","PeriodicalId":8346,"journal":{"name":"Archiv der Mathematik","volume":"123 5","pages":"467 - 476"},"PeriodicalIF":0.5,"publicationDate":"2024-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142447407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"数学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}